A B C D E F G H I J K L M N O P Q R S T U V W Y Z

## A

ABS - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.abs(a)`.
AbstractContinousDistribution - Class in org.apache.mahout.math.jet.random
  Abstract base class for all continuous distributions.
AbstractContinousDistribution() - Constructor for class org.apache.mahout.math.jet.random.AbstractContinousDistribution
AbstractDiscreteDistribution - Class in org.apache.mahout.math.jet.random
  Abstract base class for all discrete distributions.
AbstractDiscreteDistribution() - Constructor for class org.apache.mahout.math.jet.random.AbstractDiscreteDistribution
  Makes this class non instantiable, but still let's others inherit from it.
AbstractDistribution - Class in org.apache.mahout.math.jet.random
AbstractDistribution() - Constructor for class org.apache.mahout.math.jet.random.AbstractDistribution
  Makes this class non instantiable, but still let's others inherit from it.
AbstractMatrix - Class in org.apache.mahout.math
  A few universal implementations of convenience functions
AbstractMatrix() - Constructor for class org.apache.mahout.math.AbstractMatrix
AbstractMatrix - Class in org.apache.mahout.math.matrix.impl
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
AbstractMatrix() - Constructor for class org.apache.mahout.math.matrix.impl.AbstractMatrix
  Deprecated. Makes this class non instantiable, but still let's others inherit from it.
AbstractMatrix.TransposeViewVector - Class in org.apache.mahout.math
AbstractMatrix.TransposeViewVector(Matrix, int) - Constructor for class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
AbstractMatrix.TransposeViewVector(Matrix, int, boolean) - Constructor for class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
AbstractMatrix1D - Class in org.apache.mahout.math.matrix.impl
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
AbstractMatrix1D() - Constructor for class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Makes this class non instantiable, but still let's others inherit from it.
AbstractMatrix2D - Class in org.apache.mahout.math.matrix.impl
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
AbstractMatrix2D() - Constructor for class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Makes this class non instantiable, but still let's others inherit from it.
AbstractMatrix3D - Class in org.apache.mahout.math.matrix.impl
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
AbstractMatrix3D() - Constructor for class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Makes this class non instantiable, but still let's others inherit from it.
AbstractVector - Class in org.apache.mahout.math
  Implementations of generic capabilities like sum of elements and dot products
AbstractVector(int) - Constructor for class org.apache.mahout.math.AbstractVector
AbstractVector.LocalElement - Class in org.apache.mahout.math
ACOS - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.acos(a)`.
add(double) - Method in class org.apache.mahout.math.stats.OnlineSummarizer
addAll(Vector) - Method in class org.apache.mahout.math.DenseVector
addTo(Vector) - Method in class org.apache.mahout.math.AbstractVector
addTo(Vector) - Method in class org.apache.mahout.math.DenseVector
addTo(Vector) - Method in class org.apache.mahout.math.NamedVector
addTo(Vector) - Method in class org.apache.mahout.math.RandomAccessSparseVector
addTo(Vector) - Method in interface org.apache.mahout.math.Vector
  Add the elements to the other vector and results are stored in that vector.
addTo(Vector) - Method in class org.apache.mahout.math.VectorView
adjoinRow(Vector) - Method in class org.apache.mahout.math.VectorList
adjoinRow(Matrix) - Method in class org.apache.mahout.math.VectorList
aggregate(BinaryFunction, UnaryFunction) - Method in class org.apache.mahout.math.AbstractMatrix
  Collects the results of a function applied to each element of a matrix and then aggregated.
aggregate(BinaryFunction, UnaryFunction) - Method in class org.apache.mahout.math.AbstractVector
aggregate(Vector, BinaryFunction, BinaryFunction) - Method in class org.apache.mahout.math.AbstractVector
aggregate(BinaryFunction, UnaryFunction) - Method in interface org.apache.mahout.math.Matrix
  Collects the results of a function applied to each element of a matrix and then aggregated.
aggregate(BinaryFunction, UnaryFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Applies a function to each cell and aggregates the results.
aggregate(DoubleMatrix1D, BinaryFunction, BinaryFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Applies a function to each corresponding cell of two matrices and aggregates the results.
aggregate(BinaryFunction, UnaryFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Applies a function to each cell and aggregates the results.
aggregate(DoubleMatrix2D, BinaryFunction, BinaryFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Applies a function to each corresponding cell of two matrices and aggregates the results.
aggregate(BinaryFunction, UnaryFunction) - Method in class org.apache.mahout.math.NamedVector
aggregate(Vector, BinaryFunction, BinaryFunction) - Method in class org.apache.mahout.math.NamedVector
aggregate(BinaryFunction, UnaryFunction) - Method in interface org.apache.mahout.math.Vector
  Examples speak louder than words: aggregate(plus, pow(2)) is another way to say getLengthSquared(), aggregate(max, abs) is norm(Double.POSITIVE_INFINITY).
aggregate(Vector, BinaryFunction, BinaryFunction) - Method in interface org.apache.mahout.math.Vector
  Generalized inner product - take two vectors, iterate over them both, using the combiner to combine together (and possibly map in some way) each pair of values, which are then aggregated with the previous accumulated value in the combiner.
aggregateColumns(VectorFunction) - Method in class org.apache.mahout.math.AbstractMatrix
  Collects the results of a function applied to each column of a matrix.
aggregateColumns(VectorFunction) - Method in interface org.apache.mahout.math.Matrix
  Collects the results of a function applied to each column of a matrix.
aggregateRows(VectorFunction) - Method in class org.apache.mahout.math.AbstractMatrix
  Collects the results of a function applied to each row of a matrix.
aggregateRows(VectorFunction) - Method in interface org.apache.mahout.math.Matrix
  Collects the results of a function applied to each row of a matrix.
Algebra - Class in org.apache.mahout.math
Algebra - Class in org.apache.mahout.math.matrix.linalg
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Algebra() - Constructor for class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Constructs a new instance with an equality tolerance given by `Property.DEFAULT.tolerance()`.
Algebra(double) - Constructor for class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Constructs a new instance with the given equality tolerance.
append(DoubleMatrix1D, DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. C = A||B; Constructs a new matrix which is the concatenation of two other matrices.
appendColumns(DoubleMatrix2D, DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. C = A||B; Constructs a new matrix which is the column-wise concatenation of two other matrices.
appendRows(DoubleMatrix2D, DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. C = A||B; Constructs a new matrix which is the row-wise concatenation of two other matrices.
apply(boolean) - Method in interface org.apache.mahout.math.function.BooleanProcedure
  Applies a procedure to an argument.
apply(double, double, double, double, double, double, double, double, double) - Method in interface org.apache.mahout.math.function.Double9Function
  Applies a function to nine arguments.
apply(double, double) - Method in interface org.apache.mahout.math.function.DoubleDoubleFunction
  Apply the function to the arguments and return the result
apply(int, double) - Method in interface org.apache.mahout.math.function.IntDoubleFunction
  Applies a function to two arguments.
apply(int) - Method in interface org.apache.mahout.math.function.IntFunction
  Applies a function to an argument.
apply(int, int, double) - Method in interface org.apache.mahout.math.function.IntIntDoubleFunction
  Applies a function to three arguments.
apply(int, int, double) - Method in interface org.apache.mahout.math.function.IntIntDoubleProcedure
  Applies a procedure to two arguments.
apply(int, int) - Method in interface org.apache.mahout.math.function.IntIntFunction
  Applies a function to two arguments.
apply(double) - Method in class org.apache.mahout.math.function.Mult
  Returns the result of the function evaluation.
apply(T) - Method in interface org.apache.mahout.math.function.ObjectFunction
  Applies a function to an argument.
apply(T, T) - Method in interface org.apache.mahout.math.function.ObjectObjectFunction
  Applies a function to two arguments.
apply(double, double) - Method in class org.apache.mahout.math.function.PlusMult
  Returns the result of the function evaluation.
apply(double) - Method in class org.apache.mahout.math.function.SquareRootFunction
apply(double, double) - Method in class org.apache.mahout.math.function.TimesFunction
  Computes the product of two numbers.
apply(Vector) - Method in interface org.apache.mahout.math.function.VectorFunction
apply(double) - Method in class org.apache.mahout.math.jet.random.AbstractDistribution
  Equivalent to `nextDouble()`.
apply(int) - Method in class org.apache.mahout.math.jet.random.AbstractDistribution
  Equivalent to `nextInt()`.
apply(double) - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
  Equivalent to `raw()`.
apply(int) - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
  Equivalent to `nextInt()`.
apply(DoubleMatrix1D) - Method in interface org.apache.mahout.math.matrix.DoubleMatrix1DProcedure
  Deprecated. Applies a procedure to an argument.
apply(DoubleMatrix2D) - Method in interface org.apache.mahout.math.matrix.DoubleMatrix2DProcedure
  Deprecated. Applies a procedure to an argument.
Arithmetic - Class in org.apache.mahout.math.jet.math
  Arithmetic functions.
Arithmetic() - Constructor for class org.apache.mahout.math.jet.math.Arithmetic
  Makes this class non instantiable, but still let's others inherit from it.
ascending(int) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a matrix with cells having ascending values.
ascending(int, int) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a matrix with cells having ascending values.
asFormatString() - Method in class org.apache.mahout.math.AbstractMatrix
asFormatString() - Method in class org.apache.mahout.math.AbstractVector
asFormatString() - Method in interface org.apache.mahout.math.Matrix
asFormatString() - Method in class org.apache.mahout.math.NamedVector
asFormatString() - Method in interface org.apache.mahout.math.Vector
ASIN - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.asin(a)`.
assign(double) - Method in class org.apache.mahout.math.AbstractMatrix
assign(double[][]) - Method in class org.apache.mahout.math.AbstractMatrix
assign(Matrix, BinaryFunction) - Method in class org.apache.mahout.math.AbstractMatrix
assign(Matrix) - Method in class org.apache.mahout.math.AbstractMatrix
assign(UnaryFunction) - Method in class org.apache.mahout.math.AbstractMatrix
assign(double) - Method in class org.apache.mahout.math.AbstractVector
assign(double[]) - Method in class org.apache.mahout.math.AbstractVector
assign(Vector) - Method in class org.apache.mahout.math.AbstractVector
assign(BinaryFunction, double) - Method in class org.apache.mahout.math.AbstractVector
assign(UnaryFunction) - Method in class org.apache.mahout.math.AbstractVector
assign(Vector, BinaryFunction) - Method in class org.apache.mahout.math.AbstractVector
assign(double) - Method in class org.apache.mahout.math.DenseMatrix
assign(double) - Method in class org.apache.mahout.math.DenseVector
assign(Vector, BinaryFunction) - Method in class org.apache.mahout.math.DenseVector
assign(double) - Method in interface org.apache.mahout.math.Matrix
  Assign the value to all elements of the receiver
assign(double[][]) - Method in interface org.apache.mahout.math.Matrix
  Assign the values to the receiver
assign(Matrix) - Method in interface org.apache.mahout.math.Matrix
  Assign the other vector values to the receiver
assign(UnaryFunction) - Method in interface org.apache.mahout.math.Matrix
  Apply the function to each element of the receiver
assign(Matrix, BinaryFunction) - Method in interface org.apache.mahout.math.Matrix
  Apply the function to each element of the receiver and the corresponding element of the other argument
assign(double[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Sets all cells to the state specified by `values`.
assign(double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Sets all cells to the state specified by `value`.
assign(UnaryFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Assigns the result of a function to each cell; `x[i] = function(x[i])`.
assign(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix1D, BinaryFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Assigns the result of a function to each cell; `x[i] = function(x[i],y[i])`.
assign(DoubleMatrix1D, BinaryFunction, IntArrayList) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Assigns the result of a function to each cell; `x[i] = function(x[i],y[i])`.
assign(double[][]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Sets all cells to the state specified by `values`.
assign(double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Sets all cells to the state specified by `value`.
assign(UnaryFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Assigns the result of a function to each cell; `x[row,col] = function(x[row,col])`.
assign(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix2D, BinaryFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Assigns the result of a function to each cell; `x[row,col] = function(x[row,col],y[row,col])`.
assign(double[]) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Sets all cells to the state specified by `values`.
assign(double) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Sets all cells to the state specified by `value`.
assign(UnaryFunction) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Assigns the result of a function to each cell; `x[i] = function(x[i])`.
assign(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix1D, BinaryFunction) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Assigns the result of a function to each cell; `x[i] = function(x[i],y[i])`.
assign(double[][]) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Sets all cells to the state specified by `values`.
assign(double) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Sets all cells to the state specified by `value`.
assign(UnaryFunction) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Assigns the result of a function to each cell; `x[row,col] = function(x[row,col])`.
assign(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix2D, BinaryFunction) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Assigns the result of a function to each cell; `x[row,col] = function(x[row,col],y[row,col])`.
assign(double) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Sets all cells to the state specified by `value`.
assign(double) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Sets all cells to the state specified by `value`.
assign(UnaryFunction) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Assigns the result of a function to each cell; `x[row,col] = function(x[row,col])`.
assign(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Replaces all cell values of the receiver with the values of another matrix.
assign(DoubleMatrix2D, BinaryFunction) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated.
assign(double) - Method in class org.apache.mahout.math.NamedVector
assign(double[]) - Method in class org.apache.mahout.math.NamedVector
assign(Vector) - Method in class org.apache.mahout.math.NamedVector
assign(UnaryFunction) - Method in class org.apache.mahout.math.NamedVector
assign(Vector, BinaryFunction) - Method in class org.apache.mahout.math.NamedVector
assign(BinaryFunction, double) - Method in class org.apache.mahout.math.NamedVector
assign(Vector) - Method in class org.apache.mahout.math.RandomAccessSparseVector
assign(Vector) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
assign(double) - Method in interface org.apache.mahout.math.Vector
  Assign the value to all elements of the receiver
assign(double[]) - Method in interface org.apache.mahout.math.Vector
  Assign the values to the receiver
assign(Vector) - Method in interface org.apache.mahout.math.Vector
  Assign the other vector values to the receiver
assign(UnaryFunction) - Method in interface org.apache.mahout.math.Vector
  Apply the function to each element of the receiver
assign(Vector, BinaryFunction) - Method in interface org.apache.mahout.math.Vector
  Apply the function to each element of the receiver and the corresponding element of the other argument
assign(BinaryFunction, double) - Method in interface org.apache.mahout.math.Vector
  Apply the function to each element of the receiver, using the y value as the second argument of the BinaryFunction
assignColumn(int, Vector) - Method in class org.apache.mahout.math.DenseMatrix
assignColumn(int, Vector) - Method in interface org.apache.mahout.math.Matrix
  Assign the other vector values to the column of the receiver
assignColumn(int, Vector) - Method in class org.apache.mahout.math.MatrixView
assignColumn(int, Vector) - Method in class org.apache.mahout.math.SparseColumnMatrix
assignColumn(int, Vector) - Method in class org.apache.mahout.math.SparseMatrix
assignColumn(int, Vector) - Method in class org.apache.mahout.math.SparseRowMatrix
assignColumn(int, Vector) - Method in class org.apache.mahout.math.VectorList
assignRow(int, Vector) - Method in class org.apache.mahout.math.DenseMatrix
assignRow(int, Vector) - Method in interface org.apache.mahout.math.Matrix
  Assign the other vector values to the row of the receiver
assignRow(int, Vector) - Method in class org.apache.mahout.math.MatrixView
assignRow(int, Vector) - Method in class org.apache.mahout.math.SparseColumnMatrix
assignRow(int, Vector) - Method in class org.apache.mahout.math.SparseMatrix
assignRow(int, Vector) - Method in class org.apache.mahout.math.SparseRowMatrix
assignRow(int, Vector) - Method in class org.apache.mahout.math.VectorList
AsyncEigenVerifier - Class in org.apache.mahout.math.decomposer
AsyncEigenVerifier() - Constructor for class org.apache.mahout.math.decomposer.AsyncEigenVerifier
ATAN - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.atan(a)`.
ATAN2 - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.atan2(a,b)`.
autoCorrelation(DoubleArrayList, int, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the auto-correlation of a data sequence.

## B

b00(double, double, Random) - Method in class org.apache.mahout.math.jet.random.Beta
  Deprecated.
b01(double, double, Random) - Method in class org.apache.mahout.math.jet.random.Beta
  Deprecated.
b1prs(double, double, Random) - Method in class org.apache.mahout.math.jet.random.Beta
  Deprecated.
Bessel - Class in org.apache.mahout.math.jet.math
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Bessel() - Constructor for class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Makes this class non instantiable, but still let's others inherit from it.
bessel2Fkt(double, double) - Static method in class org.apache.mahout.math.jet.random.Fun
bessi0(double) - Static method in class org.apache.mahout.math.jet.random.Fun
  Modified Bessel Functions of First Kind - Order 0.
bessi1(double) - Static method in class org.apache.mahout.math.jet.random.Fun
  Modified Bessel Functions of First Kind - Order 1.
Beta - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Beta(double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Beta
  Deprecated. Constructs a Beta distribution.
beta(double, double) - Static method in class org.apache.mahout.math.jet.stat.Gamma
  Returns the beta function of the arguments.
beta(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Returns the area from zero to `x` under the beta density function.
betaComplemented(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
between(double, double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `(from<=a && a<=to) ? 1 : 0`.
BIG - Static variable in class org.apache.mahout.math.jet.math.Constants
BIG_INVERSE - Static variable in class org.apache.mahout.math.jet.math.Constants
BinaryFunction - Interface in org.apache.mahout.math.function
  This interface allows the formulation of binary functions to be applied to matrices inside the inner loops of their implementations.
bindArg1(BinaryFunction, double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a unary function from a binary function with the first operand (argument) fixed to the given constant `c`.
bindArg2(BinaryFunction, double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a unary function from a binary function with the second operand (argument) fixed to the given constant `c`.
binomial(double, long) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Efficiently returns the binomial coefficient, often also referred to as "n over k" or "n choose k".
binomial(long, long) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Efficiently returns the binomial coefficient, often also referred to as "n over k" or "n choose k".
Binomial - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Binomial(int, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Binomial
  Deprecated. Constructs a binomial distribution.
binomial(int, int, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
binomialComplemented(int, int, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
blanks(int) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Returns a String with `length` blanks.
BooleanProcedure - Interface in org.apache.mahout.math.function
  Interface that represents a procedure object: a procedure that takes a single argument and does not return a value.
BreitWigner - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
BreitWigner(double, double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.BreitWigner
  Deprecated. Constructs a BreitWigner distribution.
BreitWignerMeanSquare - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
BreitWignerMeanSquare(double, double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.BreitWignerMeanSquare
  Deprecated. Constructs a mean-squared BreitWigner distribution.

## C

calculateScaleFactor(Vector) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
cardinality - Variable in class org.apache.mahout.math.AbstractMatrix
cardinality() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the number of cells having non-zero values; ignores tolerance.
cardinality(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the number of cells having non-zero values, but at most maxCardinality; ignores tolerance.
cardinality() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Returns the number of cells having non-zero values; ignores tolerance.
cardinality(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Returns the number of cells having non-zero values, but at most maxCardinality; ignores tolerance.
cardinality() - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Returns the number of cells having non-zero values.
cardinality() - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Returns the number of cells having non-zero values.
CardinalityException - Exception in org.apache.mahout.math
  Exception thrown when there is a cardinality mismatch in matrix or vector operations.
CardinalityException(int, int) - Constructor for exception org.apache.mahout.math.CardinalityException
cdf(double) - Method in class org.apache.mahout.math.jet.random.AbstractContinousDistribution
cdf(double) - Method in class org.apache.mahout.math.jet.random.Beta
  Deprecated. Returns the cumulative distribution function.
cdf(int) - Method in class org.apache.mahout.math.jet.random.Binomial
  Deprecated. Returns the cumulative distribution function.
cdf(double) - Method in class org.apache.mahout.math.jet.random.ChiSquare
  Deprecated. Returns the cumulative distribution function.
cdf(int) - Method in class org.apache.mahout.math.jet.random.Empirical
  Deprecated. Returns the cumulative distribution function.
cdf(int) - Method in class org.apache.mahout.math.jet.random.EmpiricalWalker
  Deprecated. Returns the cumulative distribution function.
cdf(double) - Method in class org.apache.mahout.math.jet.random.Exponential
  Returns the cumulative distribution function.
cdf(double) - Method in class org.apache.mahout.math.jet.random.Gamma
  Returns the cumulative distribution function.
cdf(int) - Method in class org.apache.mahout.math.jet.random.NegativeBinomial
  Returns the cumulative distribution function.
cdf(double) - Method in class org.apache.mahout.math.jet.random.Normal
  Returns the cumulative distribution function.
cdf(int) - Method in class org.apache.mahout.math.jet.random.Poisson
  Deprecated.
cdf(double) - Method in class org.apache.mahout.math.jet.random.StudentT
  Deprecated. Returns the cumulative distribution function.
cdf(double) - Method in class org.apache.mahout.math.jet.random.Uniform
  Returns the cumulative distribution function (assuming a continous uniform distribution).
CEIL - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.ceil(a)`.
ceil(double) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Returns the smallest `long >= value`.
chain(BinaryFunction, UnaryFunction, UnaryFunction) - Static method in class org.apache.mahout.math.function.Functions
  Constructs the function `f( g(a), h(b) )`.
chain(UnaryFunction, BinaryFunction) - Static method in class org.apache.mahout.math.function.Functions
  Constructs the function `g( h(a,b) )`.
chain(UnaryFunction, UnaryFunction) - Static method in class org.apache.mahout.math.function.Functions
  Constructs the function `g( h(a) )`.
chbevl(double, double[], int) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Evaluates the series of Chebyshev polynomials Ti at argument x/2.
checkBox(int, int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Checks whether the receiver contains the given box and throws an exception, if necessary.
checkBox(int, int, int, int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Checks whether the receiver contains the given box and throws an exception, if necessary.
checkColumn(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Sanity check for operations requiring a column index to be within bounds.
checkColumn(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Sanity check for operations requiring a column index to be within bounds.
checkColumnIndexes(int[]) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Checks whether indexes are legal and throws an exception, if necessary.
checkColumnIndexes(int[]) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Checks whether indexes are legal and throws an exception, if necessary.
checkIndex(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Sanity check for operations requiring an index to be within bounds.
checkIndexes(int[]) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Checks whether indexes are legal and throws an exception, if necessary.
checkRange(int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Checks whether the receiver contains the given range and throws an exception, if necessary.
checkRectangular(AbstractMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Checks whether the given matrix `A` is rectangular.
checkRectangularShape(double[][]) - Static method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Checks whether the given array is rectangular, that is, whether all rows have the same number of columns.
checkRow(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Sanity check for operations requiring a row index to be within bounds.
checkRow(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Sanity check for operations requiring a row index to be within bounds.
checkRowIndexes(int[]) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Checks whether indexes are legal and throws an exception, if necessary.
checkRowIndexes(int[]) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Checks whether indexes are legal and throws an exception, if necessary.
checkShape(AbstractMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Sanity check for operations requiring two matrices with the same number of columns and rows.
checkShape(AbstractMatrix2D, AbstractMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Sanity check for operations requiring matrices with the same number of columns and rows.
checkShape(AbstractMatrix3D) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Sanity check for operations requiring two matrices with the same number of slices, rows and columns.
checkShape(AbstractMatrix3D, AbstractMatrix3D) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Sanity check for operations requiring matrices with the same number of slices, rows and columns.
checkSize(double[]) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Sanity check for operations requiring two matrices with the same size.
checkSize(AbstractMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Sanity check for operations requiring two matrices with the same size.
checkSlice(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Sanity check for operations requiring a slice index to be within bounds.
checkSliceIndexes(int[]) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Checks whether indexes are legal and throws an exception, if necessary.
checkSquare(AbstractMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Checks whether the given matrix `A` is square.
ChiSquare - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
ChiSquare(double, Random) - Constructor for class org.apache.mahout.math.jet.random.ChiSquare
  Deprecated. Constructs a ChiSquare distribution.
chiSquare(double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
chiSquareComplemented(double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
CLASS - Static variable in class org.apache.mahout.math.JsonMatrixAdapter
clone() - Method in class org.apache.mahout.math.AbstractMatrix
clone() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
clone() - Method in class org.apache.mahout.math.AbstractVector
clone() - Method in class org.apache.mahout.math.DenseMatrix
clone() - Method in class org.apache.mahout.math.DenseVector
clone() - Method in class org.apache.mahout.math.jet.random.BreitWignerMeanSquare
  Deprecated. Returns a deep copy of the receiver; the copy will produce identical sequences.
clone() - Method in class org.apache.mahout.math.jet.random.Empirical
  Deprecated. Returns a deep copy of the receiver; the copy will produce identical sequences.
clone() - Method in class org.apache.mahout.math.jet.random.EmpiricalWalker
  Deprecated. Returns a deep copy of the receiver; the copy will produce identical sequences.
clone() - Method in class org.apache.mahout.math.jet.random.engine.MersenneTwister
  Returns a copy of the receiver; the copy will produce identical sequences.
clone() - Method in class org.apache.mahout.math.jet.random.NegativeBinomial
  Deprecated.
clone() - Method in class org.apache.mahout.math.jet.random.Poisson
  Deprecated.
clone() - Method in class org.apache.mahout.math.jet.random.sampling.RandomSamplingAssistant
  Deprecated. Returns a deep copy of the receiver.
clone() - Method in class org.apache.mahout.math.jet.random.sampling.WeightedRandomSampler
  Deprecated. Returns a deep copy of the receiver.
clone() - Method in interface org.apache.mahout.math.Matrix
  Return a copy of the recipient
clone() - Method in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Returns a copy of the receiver.
clone() - Method in class org.apache.mahout.math.MatrixVectorView
clone() - Method in class org.apache.mahout.math.MatrixView
clone() - Method in class org.apache.mahout.math.NamedVector
clone() - Method in class org.apache.mahout.math.RandomAccessSparseVector
clone() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
clone() - Method in class org.apache.mahout.math.SparseColumnMatrix
clone() - Method in class org.apache.mahout.math.SparseMatrix
clone() - Method in class org.apache.mahout.math.SparseRowMatrix
clone() - Method in interface org.apache.mahout.math.Vector
  Return a copy of the recipient
clone() - Method in class org.apache.mahout.math.VectorView
COL - Static variable in class org.apache.mahout.math.AbstractMatrix
columnLabelBindings - Variable in class org.apache.mahout.math.AbstractMatrix
columnOffset(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Returns the position of the given absolute rank within the (virtual or non-virtual) internal 1-dimensional array.
columnOffset(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the position of the given absolute rank within the (virtual or non-virtual) internal 1-dimensional array.
columnRank(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Returns the absolute rank of the given relative rank.
columnRank(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the absolute rank of the given relative rank.
columns - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. the number of colums and rows this matrix (view) has
columns() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Returns the number of columns.
columns() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the number of columns.
columnSize() - Method in class org.apache.mahout.math.AbstractMatrix
columnSize() - Method in interface org.apache.mahout.math.Matrix
columnSize() - Method in class org.apache.mahout.math.VectorList
columnStride - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. the number of elements between two columns, i.e.
columnZero - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated.
COMPARE - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a < b ? -1 : a > b ? 1 : 0`.
compare(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a < b ? -1 : a > b ? 1 : 0`.
compose(DoubleMatrix2D[][]) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a block matrix made from the given parts.
composeDiagonal(DoubleMatrix2D, DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a diagonal block matrix from the given parts (the direct sum of two matrices).
composeDiagonal(DoubleMatrix2D, DoubleMatrix2D, DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a diagonal block matrix from the given parts.
cond() - Method in class org.apache.mahout.math.SingularValueDecomposition
  Returns the two norm condition number, which is `max(S) / min(S)`.
constant(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns the constant `c`.
Constants - Class in org.apache.mahout.math.jet.math
  Defines some useful constants.
Constants() - Constructor for class org.apache.mahout.math.jet.math.Constants
copy() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Constructs and returns a deep copy of the receiver.
copy() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a deep copy of the receiver.
correlation(DoubleArrayList, double, DoubleArrayList, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the correlation of two data sequences.
COS - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.cos(a)`.
covariance(DoubleArrayList, DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the covariance of two data sequences, which is `cov(x,y) = (1/(size()-1)) * Sum((x[i]-mean(x)) * (y[i]-mean(y)))`.
cross(Vector) - Method in class org.apache.mahout.math.AbstractVector
cross(Vector) - Method in class org.apache.mahout.math.NamedVector
cross(Vector) - Method in interface org.apache.mahout.math.Vector
  Return the cross product of the receiver and the other vector
currentTrainingProjection() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState

## D

decodeMatrix(String) - Static method in class org.apache.mahout.math.AbstractMatrix
decodeVector(String) - Static method in class org.apache.mahout.math.AbstractVector
  Decodes a point from its string representation.
decompose(DoubleMatrix2D[][], DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Splits a block matrix into its constituent blocks; Copies blocks of a matrix into the given parts.
decompose(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Decomposes matrix `A` into `L` and `U` (in-place).
decompose(DoubleMatrix2D, int) - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Decomposes the banded and square matrix `A` into `L` and `U` (in-place).
DEFAULT - Static variable in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. A default Algebra object; has `Property.DEFAULT` attached for tolerance.
DEFAULT - Static variable in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. The default Property object; currently has `tolerance()==1.0E-9`.
dense - Static variable in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. A factory producing dense matrices.
DENSE - Static variable in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. A factory producing dense matrices.
DenseDoubleMatrix1D - Class in org.apache.mahout.math.matrix.impl
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DenseDoubleMatrix1D(double[]) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Constructs a matrix with a copy of the given values.
DenseDoubleMatrix1D(int) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Constructs a matrix with a given number of cells.
DenseDoubleMatrix1D(int, double[], int, int) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Constructs a matrix view with the given parameters.
DenseDoubleMatrix2D - Class in org.apache.mahout.math.matrix.impl
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DenseDoubleMatrix2D(double[][]) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Constructs a matrix with a copy of the given values.
DenseDoubleMatrix2D(int, int) - Constructor for class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Constructs a matrix with a given number of rows and columns.
DenseMatrix - Class in org.apache.mahout.math
  Matrix of doubles implemented using a 2-d array
DenseMatrix() - Constructor for class org.apache.mahout.math.DenseMatrix
DenseMatrix(double[][]) - Constructor for class org.apache.mahout.math.DenseMatrix
  Construct a matrix from the given values
DenseMatrix(int, int) - Constructor for class org.apache.mahout.math.DenseMatrix
  Constructs an empty matrix of the given size.
DenseVector - Class in org.apache.mahout.math
  Implements vector as an array of doubles
DenseVector() - Constructor for class org.apache.mahout.math.DenseVector
  For serialization purposes only
DenseVector(double[]) - Constructor for class org.apache.mahout.math.DenseVector
  Construct a new instance using provided values
DenseVector(double[], boolean) - Constructor for class org.apache.mahout.math.DenseVector
DenseVector(DenseVector, boolean) - Constructor for class org.apache.mahout.math.DenseVector
DenseVector(int) - Constructor for class org.apache.mahout.math.DenseVector
  Construct a new instance of the given cardinality
DenseVector(Vector) - Constructor for class org.apache.mahout.math.DenseVector
  Copy-constructor (for use in turning a sparse vector into a dense one, for example)
density(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Returns the matrix's fraction of non-zero cells; `A.cardinality() / A.size()`.
descending(int) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a matrix with cells having descending values.
descending(int, int) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a matrix with cells having descending values.
Descriptive - Class in org.apache.mahout.math.jet.stat
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
deserialize(JsonElement, Type, JsonDeserializationContext) - Method in class org.apache.mahout.math.JsonMatrixAdapter
deserialize(JsonElement, Type, JsonDeserializationContext) - Method in class org.apache.mahout.math.JsonVectorAdapter
deserialize(JsonElement, Type, JsonDeserializationContext) - Method in class org.apache.mahout.math.VectorList.JsonVectorListAdapter
det(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Returns the determinant of matrix `A`.
det() - Method in class org.apache.mahout.math.matrix.linalg.LUDecomposition
  Deprecated. Returns the determinant, `det(A)`.
det() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Returns the determinant, `det(A)`.
determinant() - Method in class org.apache.mahout.math.AbstractMatrix
determinant() - Method in interface org.apache.mahout.math.Matrix
  Returns matrix determinator using Laplace theorem
DevURandomSeedGenerator - Class in org.apache.mahout.common
  RNG seed strategy that gets data from /dev/urandom on systems that provide it (e.g.
DevURandomSeedGenerator() - Constructor for class org.apache.mahout.common.DevURandomSeedGenerator
diagonal(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a new diagonal matrix whose diagonal elements are the elements of `vector`.
diagonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a new vector consisting of the diagonal elements of `A`.
Distributions - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DIV - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a / b`.
div(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a / b`.
div(double) - Static method in class org.apache.mahout.math.function.Mult
  `a / constant`.
divide(double) - Method in class org.apache.mahout.math.AbstractMatrix
divide(double) - Method in class org.apache.mahout.math.AbstractVector
divide(double) - Method in interface org.apache.mahout.math.Matrix
  Return a new matrix containing the values of the recipient divided by the argument
divide(double) - Method in class org.apache.mahout.math.NamedVector
divide(double) - Method in interface org.apache.mahout.math.Vector
  Return a new vector containing the values of the recipient divided by the argument
dot(Vector) - Method in class org.apache.mahout.math.AbstractVector
dot(Vector) - Method in class org.apache.mahout.math.DenseVector
dot(Vector) - Method in class org.apache.mahout.math.NamedVector
dot(Vector) - Method in class org.apache.mahout.math.RandomAccessSparseVector
dot(Vector) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
dot(Vector) - Method in interface org.apache.mahout.math.Vector
  Return the dot product of the recipient and the argument
dot(Vector) - Method in class org.apache.mahout.math.VectorView
dotSelf() - Method in class org.apache.mahout.math.AbstractVector
dotSelf() - Method in class org.apache.mahout.math.DenseVector
Double9Function - Interface in org.apache.mahout.math.function
  Interface that represents a function object: a function that takes 9 arguments and returns a single value.
DoubleDoubleFunction - Interface in org.apache.mahout.math.function
  Interface that represents a function object: a function that takes two arguments and returns a single value.
DoubleFactory1D - Class in org.apache.mahout.math.matrix
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DoubleFactory1D() - Constructor for class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Makes this class non instantiable, but still let's others inherit from it.
DoubleFactory2D - Class in org.apache.mahout.math.matrix
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DoubleFactory2D() - Constructor for class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Makes this class non instantiable, but still let's others inherit from it.
DoubleMatrix1D - Class in org.apache.mahout.math.matrix
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DoubleMatrix1D() - Constructor for class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Makes this class non instantiable, but still let's others inherit from it.
DoubleMatrix1DProcedure - Interface in org.apache.mahout.math.matrix
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DoubleMatrix2D - Class in org.apache.mahout.math.matrix
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
DoubleMatrix2D() - Constructor for class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Makes this class non instantiable, but still let's others inherit from it.
DoubleMatrix2DProcedure - Interface in org.apache.mahout.math.matrix
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
durbinWatson(DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Durbin-Watson computation.

## E

EigenStatus - Class in org.apache.mahout.math.decomposer
EigenStatus(double, double) - Constructor for class org.apache.mahout.math.decomposer.EigenStatus
EigenStatus(double, double, boolean) - Constructor for class org.apache.mahout.math.decomposer.EigenStatus
EigenUpdater - Interface in org.apache.mahout.math.decomposer.hebbian
EigenvalueDecomposition - Class in org.apache.mahout.math.matrix.linalg
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
EigenvalueDecomposition(DoubleMatrix2D) - Constructor for class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition
  Deprecated. Constructs and returns a new eigenvalue decomposition object; The decomposed matrices can be retrieved via instance methods of the returned decomposition object.
elements - Variable in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. The elements of this matrix.
Empirical - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Empirical(double[], int, Random) - Constructor for class org.apache.mahout.math.jet.random.Empirical
  Deprecated. Constructs an Empirical distribution.
EmpiricalWalker - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
EmpiricalWalker(double[], int, Random) - Constructor for class org.apache.mahout.math.jet.random.EmpiricalWalker
  Deprecated. Constructs an Empirical distribution.
ensureCapacity(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix
  Deprecated. Ensures that the receiver can hold at least the specified number of non-zero (non-null) cells without needing to allocate new internal memory.
ensureCapacity(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Ensures that the receiver can hold at least the specified number of non-zero cells without needing to allocate new internal memory.
ensureCapacity(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Ensures that the receiver can hold at least the specified number of non-zero cells without needing to allocate new internal memory.
entropy(int...) - Static method in class org.apache.mahout.math.stats.LogLikelihood
  Calculate the unnormalized Shannon entropy.
equals(Object) - Method in class org.apache.mahout.math.AbstractVector
  Determines whether this `Vector` represents the same logical vector as another object.
equals(Object) - Method in class org.apache.mahout.math.DenseVector
EQUALS - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a == b ? 1 : 0`.
equals(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a == b ? 1 : 0`.
equals(double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns whether all cells are equal to the given value.
equals(Object) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Compares this object against the specified object.
equals(double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Returns whether all cells are equal to the given value.
equals(Object) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Compares this object against the specified object.
equals(DoubleMatrix1D, double) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Returns whether all cells of the given matrix `A` are equal to the given value.
equals(DoubleMatrix1D, DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Returns whether both given matrices `A` and `B` are equal.
equals(DoubleMatrix2D, double) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Returns whether all cells of the given matrix `A` are equal to the given value.
equals(DoubleMatrix2D, DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Returns whether both given matrices `A` and `B` are equal.
equals(Object) - Method in class org.apache.mahout.math.NamedVector
  To not break transitivity with other `Vector`s, this does not compare name.
errorFunction(double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
errorFunctionComplemented(double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
EXP - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.exp(a)`.
Exponential - Class in org.apache.mahout.math.jet.random
Exponential(double, Random) - Constructor for class org.apache.mahout.math.jet.random.Exponential
  Provides a negative exponential distribution given a rate parameter lambda and an underlying random number generator.
ExponentialPower - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
ExponentialPower(double, Random) - Constructor for class org.apache.mahout.math.jet.random.ExponentialPower
  Deprecated. Constructs an Exponential Power distribution.

## F

factorial(int) - Static method in class org.apache.mahout.math.jet.random.Fun
  Returns `n!`.
FastRandomSeedGenerator - Class in org.apache.mahout.common
  Implements an uncommons math compatible generator that avoids /dev/random's tendency to block due to entropy underflow.
FastRandomSeedGenerator() - Constructor for class org.apache.mahout.common.FastRandomSeedGenerator
FLOOR - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.floor(a)`.
floor(double) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Returns the largest `long <= value`.
forEachNonZero(IntIntDoubleFunction) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Assigns the result of a function to each non-zero cell; `x[row,col] = function(x[row,col])`.
forEachNonZero(IntIntDoubleFunction) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated.
frequencies(DoubleArrayList, DoubleArrayList, IntArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Computes the frequency (number of occurances, count) of each distinct value in the given sorted data.
Fun - Class in org.apache.mahout.math.jet.random
  Contains various mathematical helper methods.
Functions - Class in org.apache.mahout.math.function
  Function objects to be passed to generic methods.

## G

gamma(double) - Static method in class org.apache.mahout.math.jet.random.Fun
  Returns the gamma function `gamma(x)`.
Gamma - Class in org.apache.mahout.math.jet.random
Gamma(double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Gamma
  Constructs a Gamma distribution with a given shape (alpha) and rate (beta).
Gamma - Class in org.apache.mahout.math.jet.stat
  Partially deprecated until unit tests are in place.
Gamma() - Constructor for class org.apache.mahout.math.jet.stat.Gamma
  Makes this class non instantiable, but still let's others inherit from it.
gamma(double) - Static method in class org.apache.mahout.math.jet.stat.Gamma
  Returns the Gamma function of the argument.
gamma(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Returns the integral from zero to `x` of the gamma probability density function.
gammaComplemented(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Returns the integral from `x` to infinity of the gamma probability density function:
generateBinomial(int, double) - Method in class org.apache.mahout.math.jet.random.Binomial
  Deprecated. *************************************************************** Binomial-Distribution - Acceptance Rejection/Inversion * ***************************************************************** Acceptance Rejection method combined with Inversion for generating Binomial random numbers with parameters * n (number of trials) and p (probability of success).
generateNonSingular(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Modifies the given matrix square matrix `A` such that it is diagonally dominant by row and column, hence non-singular, hence invertible.
generateSeed(int) - Method in class org.apache.mahout.common.DevURandomSeedGenerator
generateSeed(int) - Method in class org.apache.mahout.common.FastRandomSeedGenerator
  Generate a seed value for a random number generator.
generateZeta(double, double, Random) - Method in class org.apache.mahout.math.jet.random.Zeta
  Deprecated. Returns a zeta distributed random number.
GenericPermuting - Class in org.apache.mahout.math
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
geometricMean(int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the geometric mean of a data sequence.
geometricMean(DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the geometric mean of a data sequence.
geometricPdf(int, double) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns the probability distribution function of the discrete geometric distribution.
get(String, String) - Method in class org.apache.mahout.math.AbstractMatrix
get(int, int) - Method in class org.apache.mahout.math.AbstractMatrix
get(int) - Method in class org.apache.mahout.math.AbstractVector
get() - Method in class org.apache.mahout.math.AbstractVector.LocalElement
get(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the matrix cell value at coordinate `index`.
get(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Returns the matrix cell value at coordinate `[row,column]`.
get(int, int) - Method in interface org.apache.mahout.math.Matrix
  Return the value at the given indexes
get(String, String) - Method in interface org.apache.mahout.math.Matrix
  Return the value at the given labels
get(ObjectArrayList<String>, int) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated.
get(int) - Method in class org.apache.mahout.math.NamedVector
get() - Method in interface org.apache.mahout.math.Vector.Element
get(int) - Method in interface org.apache.mahout.math.Vector
  Return the value at the given index
getActivationDenominatorSquared() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getActivationNumerator() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getColumn(int) - Method in class org.apache.mahout.math.DenseMatrix
getColumn(int) - Method in interface org.apache.mahout.math.Matrix
  Return the column at the given index
getColumn(int) - Method in class org.apache.mahout.math.MatrixView
getColumn(int) - Method in class org.apache.mahout.math.SparseColumnMatrix
getColumn(int) - Method in class org.apache.mahout.math.SparseMatrix
getColumn(int) - Method in class org.apache.mahout.math.SparseRowMatrix
getColumn(int) - Method in class org.apache.mahout.math.VectorList
getColumnLabelBindings() - Method in class org.apache.mahout.math.AbstractMatrix
getColumnLabelBindings() - Method in interface org.apache.mahout.math.Matrix
  Return a map of the current column label bindings of the receiver
getContent() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the content of this matrix if it is a wrapper; or `this` otherwise.
getContent() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Returns the content of this matrix if it is a wrapper; or `this` otherwise.
getCosAngle() - Method in class org.apache.mahout.math.decomposer.EigenStatus
getCount() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getCurrentEigens() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getCurrentEigenValues() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getD() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition
  Deprecated. Returns the block diagonal eigenvalue matrix, `D`.
getDelegate() - Method in class org.apache.mahout.math.NamedVector
getDistanceSquared(Vector) - Method in class org.apache.mahout.math.AbstractVector
getDistanceSquared(Vector) - Method in class org.apache.mahout.math.NamedVector
getDistanceSquared(Vector) - Method in interface org.apache.mahout.math.Vector
  Get the square of the distance between this vector and the other vector.
getDistanceSquared(Vector) - Method in class org.apache.mahout.math.VectorView
getDoublePivot() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Returns pivot permutation vector as a one-dimensional double array
getEigenValue() - Method in class org.apache.mahout.math.decomposer.EigenStatus
getElement(int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
getElement(int) - Method in class org.apache.mahout.math.AbstractVector
getElement(int) - Method in class org.apache.mahout.math.NamedVector
getElement(int) - Method in interface org.apache.mahout.math.Vector
  Return an object of Vector.Element representing an element of this Vector.
getH() - Method in class org.apache.mahout.math.matrix.linalg.QRDecomposition
  Deprecated. Returns the Householder vectors `H`.
getH() - Method in class org.apache.mahout.math.QRDecomposition
  Deprecated.
getHelperVector() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getImagEigenvalues() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition
  Deprecated. Returns the imaginary parts of the eigenvalues.
getInitialVector(VectorIterable) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
getL() - Method in class org.apache.mahout.math.matrix.linalg.LUDecomposition
  Deprecated. Returns the lower triangular factor, `L`.
getL() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Returns the lower triangular factor, `L`.
getLengthSquared() - Method in class org.apache.mahout.math.AbstractVector
getLengthSquared() - Method in class org.apache.mahout.math.DenseVector
getLengthSquared() - Method in class org.apache.mahout.math.NamedVector
getLengthSquared() - Method in interface org.apache.mahout.math.Vector
  Return the sum of squares of all elements in the vector.
getLengthSquared() - Method in class org.apache.mahout.math.VectorView
getLU() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Returns a copy of the combined lower and upper triangular factor, `LU`.
getMax() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getMean() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getMedian() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getMin() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getMultiplicator() - Method in class org.apache.mahout.math.function.Mult
getMultiplicator() - Method in class org.apache.mahout.math.function.PlusMult
getName() - Method in class org.apache.mahout.math.NamedVector
getNonZeros(IntArrayList, DoubleArrayList) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Fills the coordinates and values of cells having non-zero values into the specified lists.
getNonZeros(IntArrayList, DoubleArrayList, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Fills the coordinates and values of cells having non-zero values into the specified lists.
getNonZeros(IntArrayList, IntArrayList, DoubleArrayList) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Fills the coordinates and values of cells having non-zero values into the specified lists.
getNorm(Matrix) - Static method in class org.apache.mahout.math.Algebra
  Compute Maximum Absolute Row Sum Norm of input Matrix m http://mathworld.wolfram.com/MaximumAbsoluteRowSumNorm.html
getNumEigensProcessed() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getNumNondefaultElements() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
  TODO: currently I don't know of an efficient way to getVector this value correctly.
getNumNondefaultElements() - Method in class org.apache.mahout.math.DenseMatrix
getNumNondefaultElements() - Method in class org.apache.mahout.math.DenseVector
getNumNondefaultElements() - Method in interface org.apache.mahout.math.Matrix
  Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.MatrixVectorView
  Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.MatrixView
getNumNondefaultElements() - Method in class org.apache.mahout.math.NamedVector
getNumNondefaultElements() - Method in class org.apache.mahout.math.RandomAccessSparseVector
getNumNondefaultElements() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
getNumNondefaultElements() - Method in class org.apache.mahout.math.SparseColumnMatrix
getNumNondefaultElements() - Method in class org.apache.mahout.math.SparseMatrix
getNumNondefaultElements() - Method in class org.apache.mahout.math.SparseRowMatrix
getNumNondefaultElements() - Method in interface org.apache.mahout.math.Vector
  Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.VectorList
  Return the number of values in the recipient
getNumNondefaultElements() - Method in class org.apache.mahout.math.VectorView
getPivot() - Method in class org.apache.mahout.math.matrix.linalg.LUDecomposition
  Deprecated. Returns a copy of the pivot permutation vector.
getPivot() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Returns the pivot permutation vector (not a copy of it).
getQ() - Method in class org.apache.mahout.math.matrix.linalg.QRDecomposition
  Deprecated. Generates and returns the (economy-sized) orthogonal factor `Q`.
getQ() - Method in class org.apache.mahout.math.QRDecomposition
  Generates and returns the (economy-sized) orthogonal factor `Q`.
getQuartile(int) - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getQuick(int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
getQuick(int, int) - Method in class org.apache.mahout.math.DenseMatrix
getQuick(int) - Method in class org.apache.mahout.math.DenseVector
getQuick(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the matrix cell value at coordinate `index`.
getQuick(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Returns the matrix cell value at coordinate `[row,column]`.
getQuick(int, int) - Method in interface org.apache.mahout.math.Matrix
  Return the value at the given indexes, without checking bounds
getQuick(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Returns the matrix cell value at coordinate `index`.
getQuick(int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Returns the matrix cell value at coordinate `[row,column]`.
getQuick(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Returns the matrix cell value at coordinate `index`.
getQuick(int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Returns the matrix cell value at coordinate `[row,column]`.
getQuick(int) - Method in class org.apache.mahout.math.MatrixVectorView
  Return the value at the given index, without checking bounds
getQuick(int, int) - Method in class org.apache.mahout.math.MatrixView
getQuick(int) - Method in class org.apache.mahout.math.NamedVector
getQuick(int) - Method in class org.apache.mahout.math.RandomAccessSparseVector
getQuick(int) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
getQuick(int, int) - Method in class org.apache.mahout.math.SparseColumnMatrix
getQuick(int, int) - Method in class org.apache.mahout.math.SparseMatrix
getQuick(int, int) - Method in class org.apache.mahout.math.SparseRowMatrix
getQuick(int) - Method in interface org.apache.mahout.math.Vector
  Return the value at the given index, without checking bounds
getQuick(int, int) - Method in class org.apache.mahout.math.VectorList
  Return the value at the given indexes, without checking bounds
getQuick(int) - Method in class org.apache.mahout.math.VectorView
getR() - Method in class org.apache.mahout.math.matrix.linalg.QRDecomposition
  Deprecated. Returns the upper triangular factor, `R`.
getR() - Method in class org.apache.mahout.math.QRDecomposition
  Returns the upper triangular factor, `R`.
getRandom() - Static method in class org.apache.mahout.common.RandomUtils
getRandom(long) - Static method in class org.apache.mahout.common.RandomUtils
getRandom() - Method in class org.apache.mahout.common.RandomWrapper
getRandomGenerator() - Method in class org.apache.mahout.math.jet.random.AbstractDistribution
  Returns the used uniform random number generator;
getRandomGenerator() - Method in class org.apache.mahout.math.jet.random.sampling.RandomSamplingAssistant
  Deprecated. Returns the used random generator.
getRealEigenvalues() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition
  Deprecated. Returns the real parts of the eigenvalues.
getRow(int) - Method in class org.apache.mahout.math.DenseMatrix
getRow(int) - Method in interface org.apache.mahout.math.Matrix
  Return the row at the given index
getRow(int) - Method in class org.apache.mahout.math.MatrixView
getRow(int) - Method in class org.apache.mahout.math.SparseColumnMatrix
getRow(int) - Method in class org.apache.mahout.math.SparseMatrix
getRow(int) - Method in class org.apache.mahout.math.SparseRowMatrix
getRow(int) - Method in class org.apache.mahout.math.VectorList
  Return the row at the given index
getRowLabelBindings() - Method in class org.apache.mahout.math.AbstractMatrix
getRowLabelBindings() - Method in interface org.apache.mahout.math.Matrix
  Return a map of the current row label bindings of the receiver
getS() - Method in class org.apache.mahout.math.SingularValueDecomposition
getSD() - Method in class org.apache.mahout.math.stats.OnlineSummarizer
getSeed() - Method in class org.apache.mahout.common.RandomWrapper
getSingularValues() - Method in class org.apache.mahout.math.SingularValueDecomposition
  Returns the diagonal of `S`, which is a one-dimensional array of singular values
getStatusProgress() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getTimeMillis(LanczosSolver.TimingSection) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
getTrainingIndex() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getTrainingProjections() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
getU() - Method in class org.apache.mahout.math.matrix.linalg.LUDecomposition
  Deprecated. Returns the upper triangular factor, `U`.
getU() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Returns the upper triangular factor, `U`.
getU() - Method in class org.apache.mahout.math.SingularValueDecomposition
  Returns the left singular vectors `U`.
getV() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition
  Deprecated. Returns the eigenvector matrix, `V`
getV() - Method in class org.apache.mahout.math.SingularValueDecomposition
  Returns the right singular vectors `V`.
getWeight() - Method in class org.apache.mahout.math.jet.random.sampling.WeightedRandomSampler
  Deprecated.
GREATER - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a > b ? 1 : 0`.
greater(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a > b ? 1 : 0`.

## H

harmonicMean(int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the harmonic mean of a data sequence.
hasFullRank() - Method in class org.apache.mahout.math.matrix.linalg.QRDecomposition
  Deprecated. Returns whether the matrix `A` has full rank.
hasFullRank() - Method in class org.apache.mahout.math.QRDecomposition
  Returns whether the matrix `A` has full rank.
hashCode() - Method in class org.apache.mahout.math.AbstractVector
hashCode() - Method in class org.apache.mahout.math.NamedVector
hashDouble(double) - Static method in class org.apache.mahout.common.RandomUtils
hashFloat(float) - Static method in class org.apache.mahout.common.RandomUtils
hashLong(long) - Static method in class org.apache.mahout.common.RandomUtils
hasNext() - Method in class org.apache.mahout.math.VectorView.AllIterator
hasNext() - Method in class org.apache.mahout.math.VectorView.NonZeroIterator
hasNotConverged(Vector, Matrix, TrainingState) - Method in class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
  Uses the `SingularVectorVerifier` to check for convergence
haveSharedCells(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns `true` if both matrices share at least one identical cell.
haveSharedCells(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Returns `true` if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns `true` if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Returns `true` if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Returns `true` if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Returns `true` if both matrices share common cells.
haveSharedCellsRaw(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Returns `true` if both matrices share at least one identical cell.
haveSharedCellsRaw(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Returns `true` if both matrices share common cells.
HebbianSolver - Class in org.apache.mahout.math.decomposer.hebbian
  The Hebbian solver is an iterative, sparse, singular value decomposition solver, based on the paper Generalized Hebbian Algorithm for Latent Semantic Analysis (2005) by Genevieve Gorrell and Brandyn Webb (a.k.a.
HebbianSolver(EigenUpdater, SingularVectorVerifier, double, int) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
  Creates a new HebbianSolver
HebbianSolver(EigenUpdater, SingularVectorVerifier, double) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
  Creates a new HebbianSolver with maxPassesPerEigen = Integer.MAX_VALUE (i.e.
HebbianSolver(double, int) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
  This is the recommended constructor to use if you're not sure Creates a new HebbianSolver with the default `HebbianUpdater` to do the updating work, and the default `AsyncEigenVerifier` to check for convergence in a (single) background thread.
HebbianSolver(double) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
  Creates a new HebbianSolver with the default `HebbianUpdater` to do the updating work, and the default `AsyncEigenVerifier` to check for convergence in a (single) background thread, with maxPassesPerEigen set to Integer.MAX_VALUE.
HebbianSolver(int) - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
  Creates a new HebbianSolver with the default `HebbianUpdater` to do the updating work, and the default `AsyncEigenVerifier` to check for convergence in a (single) background thread, with convergenceTarget set to 0, which means that the solver will not really care about convergence as a loop-exiting criterion (but will be checking for convergence anyways, so it will be logged and singular values will be saved).
HebbianUpdater - Class in org.apache.mahout.math.decomposer.hebbian
HebbianUpdater() - Constructor for class org.apache.mahout.math.decomposer.hebbian.HebbianUpdater
hmdu(int, int, int, Random) - Method in class org.apache.mahout.math.jet.random.HyperGeometric
  Deprecated. Returns a random number from the distribution.
hprs(int, int, int, Random) - Method in class org.apache.mahout.math.jet.random.HyperGeometric
  Deprecated. Returns a random number from the distribution.
Hyperbolic - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Hyperbolic(double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Hyperbolic
  Deprecated. Constructs a Beta distribution.
HyperGeometric - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
HyperGeometric(int, int, int, Random) - Constructor for class org.apache.mahout.math.jet.random.HyperGeometric
  Deprecated. Constructs a HyperGeometric distribution.
hypot(double, double) - Static method in class org.apache.mahout.math.Algebra
  Returns sqrt(a^2 + b^2) without under/overflow.

## I

i0(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the modified Bessel function of order 0 of the argument.
i0e(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the exponentially scaled modified Bessel function of order 0 of the argument.
i1(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the modified Bessel function of order 1 of the argument.
i1e(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the exponentially scaled modified Bessel function of order 1 of the argument.
IDENTITY - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns its argument.
identity(int) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs an identity matrix (having ones on the diagonal and zeros elsewhere).
IEEE_REMAINDER - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.IEEEremainder(a,b)`.
IEEEremainder(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `Math.IEEEremainder(a,b)`.
incompleteBeta(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Gamma
  Returns the regularized Incomplete Beta Function evaluated from zero to `xx`; formerly named `ibeta`.
incompleteGamma(double, double) - Static method in class org.apache.mahout.math.jet.stat.Gamma
  Returns the Incomplete Gamma function; formerly named `igamma`.
incompleteGammaComplement(double, double) - Static method in class org.apache.mahout.math.jet.stat.Gamma
  Returns the Complemented Incomplete Gamma function; formerly named `igamc`.
incrementalUpdate(DoubleArrayList, int, int, double[]) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Incrementally maintains and updates minimum, maximum, sum and sum of squares of a data sequence.
incrementalUpdateSumsOfPowers(DoubleArrayList, int, int, int, int, double[]) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Incrementally maintains and updates various sums of powers of the form `Sum(data[i]k)`.
incrementalWeightedUpdate(DoubleArrayList, DoubleArrayList, int, int, double[]) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Incrementally maintains and updates sum and sum of squares of a weighted data sequence.
index() - Method in class org.apache.mahout.math.AbstractVector.LocalElement
index(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Returns the position of the element with the given relative rank within the (virtual or non-virtual) internal 1-dimensional array.
index(int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Returns the position of the given coordinate within the (virtual or non-virtual) internal 1-dimensional array.
index(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the position of the given coordinate within the (virtual or non-virtual) internal 1-dimensional array.
index(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Returns the position of the element with the given relative rank within the (virtual or non-virtual) internal 1-dimensional array.
index(int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Returns the position of the given coordinate within the (virtual or non-virtual) internal 1-dimensional array.
index(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Returns the position of the element with the given relative rank within the (virtual or non-virtual) internal 1-dimensional array.
index(int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Returns the position of the given coordinate within the (virtual or non-virtual) internal 1-dimensional array.
index() - Method in class org.apache.mahout.math.MatrixSlice
index() - Method in interface org.apache.mahout.math.Vector.Element
IndexException - Exception in org.apache.mahout.math
  Exception thrown when a matrix or vector is accessed at an index, or dimension, which does not logically exist in the entity.
IndexException(int, int) - Constructor for exception org.apache.mahout.math.IndexException
innerVerify(VectorIterable, Vector) - Method in class org.apache.mahout.math.decomposer.AsyncEigenVerifier
inProgress() - Method in class org.apache.mahout.math.decomposer.EigenStatus
IntDoubleFunction - Interface in org.apache.mahout.math.function
  Interface that represents a function object: a function that takes two arguments.
IntFunction - Interface in org.apache.mahout.math.function
  Interface that represents a function object: a function that takes a single argument and returns a single value.
IntIntDoubleFunction - Interface in org.apache.mahout.math.function
  Interface that represents a function object: a function that takes three arguments.
IntIntDoubleProcedure - Interface in org.apache.mahout.math.function
  Interface that represents a procedure object: a procedure that takes three arguments and does not return a value.
IntIntFunction - Interface in org.apache.mahout.math.function
  Interface that represents a function object: a function that takes two arguments and returns a single value.
INV - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `1.0 / a`.
IS_EQUAL - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a == b`.
IS_GREATER - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a > b`.
IS_LESS - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a < b`.
isBetween(double, double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `from<=a && a<=to`.
isDense() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
isDense() - Method in class org.apache.mahout.math.DenseVector
isDense() - Method in class org.apache.mahout.math.MatrixVectorView
isDense() - Method in class org.apache.mahout.math.NamedVector
isDense() - Method in class org.apache.mahout.math.RandomAccessSparseVector
isDense() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
isDense() - Method in interface org.apache.mahout.math.Vector
isDense() - Method in class org.apache.mahout.math.VectorView
isDiagonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is diagonal if `A[i,j] == 0` whenever `i != j`.
isDiagonallyDominantByColumn(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is diagonally dominant by column if the absolute value of each diagonal element is larger than the sum of the absolute values of the off-diagonal elements in the corresponding column.
isDiagonallyDominantByRow(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is diagonally dominant by row if the absolute value of each diagonal element is larger than the sum of the absolute values of the off-diagonal elements in the corresponding row.
isEqual(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a == b`.
isFirstPass() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
isGreater(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a > b`.
isIdentity(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is an identity matrix if `A[i,i] == 1` and all other cells are zero.
isLess(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a < b`.
isLowerBidiagonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is lower bidiagonal if `A[i,j]==0` unless `i==j || i==j+1`.
isLowerTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is lower triangular if `A[i,j]==0` whenever `i < j`.
isNonNegative(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is non-negative if `A[i,j] >= 0` holds for all cells.
isNonsingular() - Method in class org.apache.mahout.math.matrix.linalg.LUDecomposition
  Deprecated. Returns whether the matrix is nonsingular (has an inverse).
isNonsingular() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Returns whether the matrix is nonsingular (has an inverse).
isNonsingular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Returns whether the matrix is nonsingular.
isNotPrime(int) - Static method in class org.apache.mahout.common.RandomUtils
isNoView - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix
  Deprecated.
isOrthogonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A square matrix `A` is orthogonal if `A*transpose(A) = I`.
isPositive(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is positive if `A[i,j] > 0` holds for all cells.
isSequentialAccess() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
isSequentialAccess() - Method in class org.apache.mahout.math.DenseVector
isSequentialAccess() - Method in class org.apache.mahout.math.MatrixVectorView
isSequentialAccess() - Method in class org.apache.mahout.math.NamedVector
isSequentialAccess() - Method in class org.apache.mahout.math.RandomAccessSparseVector
isSequentialAccess() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
isSequentialAccess() - Method in interface org.apache.mahout.math.Vector
isSequentialAccess() - Method in class org.apache.mahout.math.VectorView
isSingular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is singular if it has no inverse, that is, iff `det(A)==0`.
isSkewSymmetric(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A square matrix `A` is skew-symmetric if `A = -transpose(A)`, that is `A[i,j] == -A[j,i]`.
isSquare(AbstractMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is square if it has the same number of rows and columns.
isStrictlyLowerTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is strictly lower triangular if `A[i,j]==0` whenever `i <= j`.
isStrictlyTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is strictly triangular if it is triangular and its diagonal elements all equal 0.
isStrictlyUpperTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is strictly upper triangular if `A[i,j]==0` whenever `i >= j`.
isSymmetric(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is symmetric if `A = tranpose(A)`, that is `A[i,j] == A[j,i]`.
isTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is triangular iff it is either upper or lower triangular.
isTridiagonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is tridiagonal if `A[i,j]==0` whenever `Math.abs(i-j) > 1`.
isUnitTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is unit triangular if it is triangular and its diagonal elements all equal 1.
isUpperBidiagonal(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is upper bidiagonal if `A[i,j]==0` unless `i==j || i==j-1`.
isUpperTriangular(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is upper triangular if `A[i,j]==0` whenever `i > j`.
isView() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix
  Deprecated. Returns whether the receiver is a view or not.
isZero(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A matrix `A` is zero if all its cells are zero.
iterateAll() - Method in class org.apache.mahout.math.AbstractMatrix
iterateAll() - Method in interface org.apache.mahout.math.VectorIterable
iterateNonZero() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
  Currently delegates to `AbstractMatrix.TransposeViewVector.iterator()`.
iterateNonZero() - Method in class org.apache.mahout.math.DenseVector
  Returns an iterator that traverses this Vector from 0 to cardinality-1, in that order.
iterateNonZero() - Method in class org.apache.mahout.math.MatrixVectorView
  Iterates over all non-zero elements.
iterateNonZero() - Method in class org.apache.mahout.math.NamedVector
iterateNonZero() - Method in class org.apache.mahout.math.RandomAccessSparseVector
  NOTE: this implementation reuses the Vector.Element instance for each call of next().
iterateNonZero() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
iterateNonZero() - Method in interface org.apache.mahout.math.Vector
  Iterates over all non-zero elements.
iterateNonZero() - Method in class org.apache.mahout.math.VectorView
iterator() - Method in class org.apache.mahout.math.AbstractMatrix
iterator() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
iterator() - Method in class org.apache.mahout.math.DenseVector
iterator() - Method in class org.apache.mahout.math.MatrixVectorView
  Iterates over all elements

  * NOTE: Implementations may choose to reuse the Element returned for performance reasons, so if you need a copy of it, you should call `AbstractVector.getElement(int)` for the given index
iterator() - Method in class org.apache.mahout.math.NamedVector
iterator() - Method in class org.apache.mahout.math.RandomAccessSparseVector
iterator() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
iterator() - Method in interface org.apache.mahout.math.Vector
  Iterates over all elements

  * NOTE: Implementations may choose to reuse the Element returned for performance reasons, so if you need a copy of it, you should call `Vector.getElement(int)` for the given index
iterator() - Method in class org.apache.mahout.math.VectorView

## J

j0(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the Bessel function of the first kind of order 0 of the argument.
j1(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the Bessel function of the first kind of order 1 of the argument.
jn(int, double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the Bessel function of the first kind of order `n` of the argument.
JsonMatrixAdapter - Class in org.apache.mahout.math
JsonMatrixAdapter() - Constructor for class org.apache.mahout.math.JsonMatrixAdapter
JsonVectorAdapter - Class in org.apache.mahout.math
JsonVectorAdapter() - Constructor for class org.apache.mahout.math.JsonVectorAdapter

## K

k0(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the modified Bessel function of the third kind of order 0 of the argument.
k0e(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the exponentially scaled modified Bessel function of the third kind of order 0 of the argument.
k1(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the modified Bessel function of the third kind of order 1 of the argument.
k1e(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the exponentially scaled modified Bessel function of the third kind of order 1 of the argument.
kn(int, double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the modified Bessel function of the third kind of order `nn` of the argument.
kurtosis(double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the kurtosis (aka excess) of a data sequence.
kurtosis(DoubleArrayList, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the kurtosis (aka excess) of a data sequence, which is `-3 + moment(data,4,mean) / standardDeviation4`.

## L

lag1(DoubleArrayList, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the lag-1 autocorrelation of a dataset; Note that this method has semantics different from `autoCorrelation(..., 1)`;
LanczosSolver - Class in org.apache.mahout.math.decomposer.lanczos
  Simple implementation of the Lanczos algorithm for finding eigenvalues of a symmetric matrix, applied to non-symmetric matrices by applying Matrix.timesSquared(vector) as the "matrix-multiplication" method.
LanczosSolver() - Constructor for class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
LanczosSolver.TimingSection - Enum in org.apache.mahout.math.decomposer.lanczos
lengthSquared - Variable in class org.apache.mahout.math.AbstractVector
LESS - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a < b ? 1 : 0`.
less(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a < b ? 1 : 0`.
LG - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.log(a) / Math.log(b)`.
lg(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns ``Math.log(a) / Math.log(b)``.
like() - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
like(int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
like() - Method in class org.apache.mahout.math.DenseMatrix
like(int, int) - Method in class org.apache.mahout.math.DenseMatrix
like() - Method in class org.apache.mahout.math.DenseVector
like() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the same size.
like(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified size.
like() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the same number of rows and columns.
like(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified number of rows and columns.
like(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified size.
like(int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified number of rows and columns.
like(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified size.
like(int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Construct and returns a new empty matrix of the same dynamic type as the receiver, having the specified number of rows and columns.
like() - Method in interface org.apache.mahout.math.Matrix
  Return an empty matrix of the same underlying class as the receiver
like(int, int) - Method in interface org.apache.mahout.math.Matrix
  Returns an empty matrix of the same underlying class as the receiver and of the specified size.
like() - Method in class org.apache.mahout.math.MatrixVectorView
  Return an empty vector of the same underlying class as the receiver
like() - Method in class org.apache.mahout.math.MatrixView
like(int, int) - Method in class org.apache.mahout.math.MatrixView
like() - Method in class org.apache.mahout.math.NamedVector
like() - Method in class org.apache.mahout.math.RandomAccessSparseVector
like() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
like() - Method in class org.apache.mahout.math.SparseColumnMatrix
like(int, int) - Method in class org.apache.mahout.math.SparseColumnMatrix
like() - Method in class org.apache.mahout.math.SparseMatrix
like(int, int) - Method in class org.apache.mahout.math.SparseMatrix
like() - Method in class org.apache.mahout.math.SparseRowMatrix
like(int, int) - Method in class org.apache.mahout.math.SparseRowMatrix
like() - Method in interface org.apache.mahout.math.Vector
  Return an empty vector of the same underlying class as the receiver
like() - Method in class org.apache.mahout.math.VectorList
  Return an empty matrix of the same underlying class as the receiver
like(int, int) - Method in class org.apache.mahout.math.VectorList
  Returns an empty matrix of the same underlying class as the receiver and of the specified size.
like() - Method in class org.apache.mahout.math.VectorView
like1D(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like1D(int, int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, sharing the same cells.
like1D(int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like1D(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, sharing the same cells.
like1D(int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like1D(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Construct and returns a new 1-d matrix of the corresponding dynamic type, sharing the same cells.
like2D(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Construct and returns a new 2-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like2D(int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Construct and returns a new 2-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
like2D(int, int) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Construct and returns a new 2-d matrix of the corresponding dynamic type, entirelly independent of the receiver.
log(double, double) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Returns `logbasevalue`.
log10(double) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Returns `log10value`.
LOG2 - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.log(a) / Math.log(2)`.
log2(double) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Returns `log2value`.
LOGARITHM - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.log(a)`.
Logarithmic - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Logarithmic(double, Random) - Constructor for class org.apache.mahout.math.jet.random.Logarithmic
  Deprecated. Constructs a Logarithmic distribution.
logFactorial(int) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Returns `log(k!)`.
logGamma(double) - Static method in class org.apache.mahout.math.jet.random.Fun
  Returns a quick approximation of `log(gamma(x))`.
logGamma(double) - Static method in class org.apache.mahout.math.jet.stat.Gamma
  Returns the natural logarithm of the gamma function; formerly named `lgamma`.
LogLikelihood - Class in org.apache.mahout.math.stats
  Utility methods for working with log-likelihood
logLikelihoodRatio(int, int, int, int) - Static method in class org.apache.mahout.math.stats.LogLikelihood
  Calculate the Raw Log-likelihood ratio for two events, call them A and B.
logNormalize() - Method in class org.apache.mahout.math.AbstractVector
logNormalize(double) - Method in class org.apache.mahout.math.AbstractVector
logNormalize(double, double) - Method in class org.apache.mahout.math.AbstractVector
logNormalize() - Method in class org.apache.mahout.math.NamedVector
logNormalize(double) - Method in class org.apache.mahout.math.NamedVector
logNormalize() - Method in interface org.apache.mahout.math.Vector
  Return a new vector containing the log(1 + entry)/ L_2 norm values of the recipient
logNormalize(double) - Method in interface org.apache.mahout.math.Vector
  Return a new Vector with a normalized value calculated as log_power(1 + entry)/ L_power norm.
LOGPI - Static variable in class org.apache.mahout.math.jet.math.Constants
longFactorial(int) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Instantly returns the factorial `k!`.
longSeedtoBytes(long) - Static method in class org.apache.mahout.common.RandomUtils
lowerBandwidth(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. The lower bandwidth of a square matrix `A` is the maximum `i-j` for which `A[i,j]` is nonzero and `i > j`.
lowerTriangular(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Modifies the matrix to be a lower triangular matrix.
LUDecomposition - Class in org.apache.mahout.math.matrix.linalg
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
LUDecomposition(DoubleMatrix2D) - Constructor for class org.apache.mahout.math.matrix.linalg.LUDecomposition
  Deprecated. Constructs and returns a new LU Decomposition object; The decomposed matrices can be retrieved via instance methods of the returned decomposition object.
LUDecompositionQuick - Class in org.apache.mahout.math.matrix.linalg
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
LUDecompositionQuick() - Constructor for class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Constructs and returns a new LU Decomposition object with default tolerance `1.0E-9` for singularity detection.
LUDecompositionQuick(double) - Constructor for class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Constructs and returns a new LU Decomposition object which uses the given tolerance for singularity detection;

## M

m() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated.
MACHEP - Static variable in class org.apache.mahout.math.jet.math.Constants
main(String[]) - Static method in class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
make(double[]) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a matrix with the given cell values.
make(DoubleMatrix1D[]) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a matrix which is the concatenation of all given parts.
make(int) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a matrix with the given shape, each cell initialized with zero.
make(int, double) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a matrix with the given shape, each cell initialized with the given value.
make(AbstractDoubleList) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a matrix from the values of the given list.
make(double[][]) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a matrix with the given cell values.
make(double[], int) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Construct a matrix from a one-dimensional column-major packed array, ala Fortran.
make(int, int) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a matrix with the given shape, each cell initialized with zero.
make(int, int, double) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a matrix with the given shape, each cell initialized with the given value.
make1D(int) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a 1d matrix of the right dynamic type.
makeDefault() - Static method in class org.apache.mahout.math.jet.random.engine.RandomEngine
MATRIX - Static variable in class org.apache.mahout.math.JsonMatrixAdapter
Matrix - Interface in org.apache.mahout.math
  The basic interface including numerous convenience functions
matrixLike(int, int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
matrixLike(int, int) - Method in class org.apache.mahout.math.AbstractVector
  Subclasses must override to return an appropriately sparse or dense result
matrixLike(int, int) - Method in class org.apache.mahout.math.DenseVector
matrixLike(int, int) - Method in class org.apache.mahout.math.MatrixVectorView
  Subclasses must override to return an appropriately sparse or dense result
matrixLike(int, int) - Method in class org.apache.mahout.math.RandomAccessSparseVector
matrixLike(int, int) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
matrixLike(int, int) - Method in class org.apache.mahout.math.VectorView
MatrixSlice - Class in org.apache.mahout.math
MatrixSlice(Vector, int) - Constructor for class org.apache.mahout.math.MatrixSlice
MatrixVectorView - Class in org.apache.mahout.math
  Provides a virtual vector that is really a row or column or diagonal of a matrix.
MatrixVectorView(Matrix, int, int, int, int) - Constructor for class org.apache.mahout.math.MatrixVectorView
MatrixView - Class in org.apache.mahout.math
  Implements subset view of a Matrix
MatrixView(Matrix, int[], int[]) - Constructor for class org.apache.mahout.math.MatrixView
  Construct a view of the matrix with given offset and cardinality
MAX - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.max(a,b)`.
max(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `Math.max(a,b)`.
max() - Static method in class org.apache.mahout.math.function.VectorFunctions
max(DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the largest member of a data sequence.
MAX_INT_SMALLER_TWIN_PRIME - Static variable in class org.apache.mahout.common.RandomUtils
  The largest prime less than 231-1 that is the smaller of a twin prime pair.
MAXGAM - Static variable in class org.apache.mahout.math.jet.math.Constants
MAXLOG - Static variable in class org.apache.mahout.math.jet.math.Constants
maxValue() - Method in class org.apache.mahout.math.AbstractVector
maxValue() - Method in class org.apache.mahout.math.NamedVector
maxValue() - Method in interface org.apache.mahout.math.Vector
maxValueIndex() - Method in class org.apache.mahout.math.AbstractVector
maxValueIndex() - Method in class org.apache.mahout.math.NamedVector
maxValueIndex() - Method in interface org.apache.mahout.math.Vector
mean() - Static method in class org.apache.mahout.math.function.VectorFunctions
  Vector functions
mean(DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the arithmetic mean of a data sequence; That is `Sum( data[i] ) / data.size()`.
meanDeviation(DoubleArrayList, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the mean deviation of a dataset.
median(DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the median of a sorted data sequence.
MersenneTwister - Class in org.apache.mahout.math.jet.random.engine
  MersenneTwister (MT19937) is one of the strongest uniform pseudo-random number generators known so far; at the same time it is quick.
MersenneTwister() - Constructor for class org.apache.mahout.math.jet.random.engine.MersenneTwister
  Constructs and returns a random number generator with a default seed, which is a constant.
MersenneTwister(int) - Constructor for class org.apache.mahout.math.jet.random.engine.MersenneTwister
  Constructs and returns a random number generator with the given seed.
MersenneTwister(Date) - Constructor for class org.apache.mahout.math.jet.random.engine.MersenneTwister
  Constructs and returns a random number generator seeded with the given date.
MIN - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.min(a,b)`.
min(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `Math.min(a,b)`.
min() - Static method in class org.apache.mahout.math.function.VectorFunctions
min(DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the smallest member of a data sequence.
MINLOG - Static variable in class org.apache.mahout.math.jet.math.Constants
minus(Matrix) - Method in class org.apache.mahout.math.AbstractMatrix
minus(Vector) - Method in class org.apache.mahout.math.AbstractVector
MINUS - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a - b`.
minus(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a - b`.
minus(Matrix) - Method in interface org.apache.mahout.math.Matrix
  Return a new matrix containing the element by element difference of the recipient and the argument
minus(Vector) - Method in class org.apache.mahout.math.NamedVector
minus(Vector) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
minus(Vector) - Method in interface org.apache.mahout.math.Vector
  Return a new vector containing the element by element difference of the recipient and the argument
minusDiv(double) - Static method in class org.apache.mahout.math.function.PlusMult
  `a - b/constant`.
minusMult(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a - b*constant`.
minusMult(double) - Static method in class org.apache.mahout.math.function.PlusMult
  `a - b*constant`.
minValue() - Method in class org.apache.mahout.math.AbstractVector
minValue() - Method in class org.apache.mahout.math.NamedVector
minValue() - Method in interface org.apache.mahout.math.Vector
minValueIndex() - Method in class org.apache.mahout.math.AbstractVector
minValueIndex() - Method in class org.apache.mahout.math.NamedVector
minValueIndex() - Method in interface org.apache.mahout.math.Vector
MOD - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a % b`.
mod(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a % b`.
moment(int, double, int, double[]) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the moment of `k`-th order with constant `c` of a data sequence, which is `Sum( (data[i]-c)k ) / data.size()`.
moment(DoubleArrayList, int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the moment of `k`-th order with constant `c` of a data sequence, which is `Sum( (data[i]-c)k ) / data.size()`.
mostRecentEigen() - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
mult(Matrix, Vector) - Static method in class org.apache.mahout.math.Algebra
MULT - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a * b`.
mult(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a * b`.
Mult - Class in org.apache.mahout.math.function
  Only for performance tuning of compute intensive linear algebraic computations.
mult(double) - Static method in class org.apache.mahout.math.function.Mult
  `a * constant`.

## N

n() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated.
NamedVector - Class in org.apache.mahout.math
NamedVector() - Constructor for class org.apache.mahout.math.NamedVector
NamedVector(NamedVector) - Constructor for class org.apache.mahout.math.NamedVector
NamedVector(Vector, String) - Constructor for class org.apache.mahout.math.NamedVector
NEGATE - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `-a`.
NegativeBinomial - Class in org.apache.mahout.math.jet.random
  Mostly deprecated until unit tests are in place.
NegativeBinomial(int, double, Random) - Constructor for class org.apache.mahout.math.jet.random.NegativeBinomial
  Constructs a Negative Binomial distribution which describes the probability of getting a particular number of negative trials (k) before getting a fixed number of positive trials (r) where each positive trial has probability (p) of being successful.
negativeBinomial(int, int, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Returns the sum of the terms `0` through `k` of the Negative Binomial Distribution.
negativeBinomialComplemented(int, int, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
newVector(int) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
next(int) - Method in class org.apache.mahout.common.RandomWrapper
next() - Method in class org.apache.mahout.math.VectorView.AllIterator
next() - Method in class org.apache.mahout.math.VectorView.NonZeroIterator
nextBlock(int, long[], int) - Method in class org.apache.mahout.math.jet.random.sampling.RandomSampler
  Deprecated. Computes the next `count` random numbers of the sorted random set specified on instance construction and fills them into `values`, starting at index `fromIndex`.
nextBoolean() - Method in class org.apache.mahout.common.RandomWrapper
nextBoolean() - Method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random `boolean`.
nextBurr1(double, int, RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a random number from the Burr II, VII, VIII, X Distributions.
nextBurr2(double, double, int, RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a random number from the Burr III, IV, V, VI, IX, XII distributions.
nextBytes(byte[]) - Method in class org.apache.mahout.common.RandomWrapper
nextCauchy(RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a cauchy distributed random number from the standard Cauchy distribution C(0,1).
nextDouble() - Method in class org.apache.mahout.common.RandomWrapper
nextDouble() - Method in class org.apache.mahout.math.jet.random.AbstractDiscreteDistribution
  Returns a random number from the distribution; returns `(double) nextInt()`.
nextDouble() - Method in class org.apache.mahout.math.jet.random.AbstractDistribution
  Returns a random number from the distribution.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Beta
  Deprecated. Returns a random number from the distribution.
nextDouble(double, double) - Method in class org.apache.mahout.math.jet.random.Beta
  Deprecated. Returns a beta distributed random number; bypasses the internal state.
nextDouble() - Method in class org.apache.mahout.math.jet.random.BreitWigner
  Deprecated. Returns a random number from the distribution.
nextDouble(double, double, double) - Method in class org.apache.mahout.math.jet.random.BreitWigner
  Deprecated. Returns a random number from the distribution; bypasses the internal state.
nextDouble(double, double, double) - Method in class org.apache.mahout.math.jet.random.BreitWignerMeanSquare
  Deprecated. Returns a mean-squared random number from the distribution; bypasses the internal state.
nextDouble() - Method in class org.apache.mahout.math.jet.random.ChiSquare
  Deprecated. Returns a random number from the distribution.
nextDouble(double) - Method in class org.apache.mahout.math.jet.random.ChiSquare
  Deprecated. Returns a random number from the distribution; bypasses the internal state.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Empirical
  Deprecated. Returns a random number from the distribution.
nextDouble() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
nextDouble() - Method in class org.apache.mahout.math.jet.random.Exponential
  Returns a random number from the distribution.
nextDouble() - Method in class org.apache.mahout.math.jet.random.ExponentialPower
  Deprecated. Returns a random number from the distribution.
nextDouble(double) - Method in class org.apache.mahout.math.jet.random.ExponentialPower
  Deprecated. Returns a random number from the distribution; bypasses the internal state.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Gamma
  Returns a random number from the distribution.
nextDouble(double, double) - Method in class org.apache.mahout.math.jet.random.Gamma
  Returns a random number from the distribution; bypasses the internal state.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Hyperbolic
  Deprecated. Returns a random number from the distribution.
nextDouble(double, double) - Method in class org.apache.mahout.math.jet.random.Hyperbolic
  Deprecated. Returns a hyperbolic distributed random number; bypasses the internal state.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Logarithmic
  Deprecated. Returns a random number from the distribution.
nextDouble(double) - Method in class org.apache.mahout.math.jet.random.Logarithmic
  Deprecated. Returns a random number from the distribution; bypasses the internal state.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Normal
  Returns a random number from the distribution.
nextDouble() - Method in class org.apache.mahout.math.jet.random.StudentT
  Deprecated. Returns a random number from the distribution.
nextDouble(double) - Method in class org.apache.mahout.math.jet.random.StudentT
  Deprecated. Returns a random number from the distribution; bypasses the internal state.
nextDouble() - Method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the open interval `(min,max)` (excluding `min` and `max`).
nextDouble() - Method in class org.apache.mahout.math.jet.random.VonMises
  Deprecated. Returns a random number from the distribution.
nextDouble(double) - Method in class org.apache.mahout.math.jet.random.VonMises
  Deprecated. Returns a random number from the distribution; bypasses the internal state.
nextDoubleFromTo(double, double) - Method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the open interval `(from,to)` (excluding `from` and `to`).
nextErlang(double, double, RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns an erlang distributed random number with the given variance and mean.
nextFloat() - Method in class org.apache.mahout.common.RandomWrapper
nextFloat() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
nextFloatFromTo(float, float) - Method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the open interval `(from,to)` (excluding `from` and `to`).
nextGaussian() - Method in class org.apache.mahout.common.RandomWrapper
nextGeometric(double, RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a discrete geometric distributed random number; Definition.
nextInt() - Method in class org.apache.mahout.common.RandomWrapper
nextInt(int) - Method in class org.apache.mahout.common.RandomWrapper
nextInt() - Method in class org.apache.mahout.math.jet.random.AbstractContinousDistribution
nextInt() - Method in class org.apache.mahout.math.jet.random.AbstractDiscreteDistribution
nextInt() - Method in class org.apache.mahout.math.jet.random.AbstractDistribution
nextInt() - Method in class org.apache.mahout.math.jet.random.Binomial
  Deprecated.
nextInt(int, double) - Method in class org.apache.mahout.math.jet.random.Binomial
  Deprecated. Returns a random number from the distribution with the given parameters n and p; bypasses the internal state.
nextInt() - Method in class org.apache.mahout.math.jet.random.EmpiricalWalker
  Deprecated. Returns a random integer `k` with probability `pdf(k)`.
nextInt() - Method in class org.apache.mahout.math.jet.random.engine.MersenneTwister
  Returns a 32 bit uniformly distributed random number in the closed interval `[Integer.MIN_VALUE,Integer.MAX_VALUE]` (including `Integer.MIN_VALUE` and `Integer.MAX_VALUE`).
nextInt() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
nextInt() - Method in class org.apache.mahout.math.jet.random.HyperGeometric
  Deprecated. Returns a random number from the distribution.
nextInt(int, int, int) - Method in class org.apache.mahout.math.jet.random.HyperGeometric
  Deprecated. Returns a random number from the distribution; bypasses the internal state.
nextInt(int, int, int, Random) - Method in class org.apache.mahout.math.jet.random.HyperGeometric
  Deprecated. Returns a random number from the distribution; bypasses the internal state.
nextInt() - Method in class org.apache.mahout.math.jet.random.NegativeBinomial
nextInt(int, double) - Method in class org.apache.mahout.math.jet.random.NegativeBinomial
  Returns a sample from this distribution.
nextInt() - Method in class org.apache.mahout.math.jet.random.Poisson
nextInt(double) - Method in class org.apache.mahout.math.jet.random.Poisson
  Returns a random number from the distribution.
nextInt() - Method in class org.apache.mahout.math.jet.random.PoissonSlow
  Deprecated.
nextInt() - Method in class org.apache.mahout.math.jet.random.Zeta
  Deprecated.
nextIntFromTo(int, int) - Method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the closed interval `[from,to]` (including `from` and `to`).
nextIntSlow() - Method in class org.apache.mahout.math.jet.random.PoissonSlow
  Deprecated. Returns a random number from the distribution.
nextLambda(double, double, RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a lambda distributed random number with parameters l3 and l4.
nextLaplace(RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a Laplace (Double Exponential) distributed random number from the standard Laplace distribution L(0,1).
nextLogistic(RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a random number from the standard Logistic distribution Log(0,1).
nextLong() - Method in class org.apache.mahout.common.RandomWrapper
nextLong() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
nextLongFromTo(long, long) - Method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the closed interval `[from,to]` (including `from` and `to`).
nextPowLaw(double, double, RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a power-law distributed random number with the given exponent and lower cutoff.
nextPrime(int) - Static method in class org.apache.mahout.common.RandomUtils
  Finds smallest prime p such that p is greater than or equal to n.
nextTriangular(RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a random number from the standard Triangular distribution in (-1,1).
nextTwinPrime(int) - Static method in class org.apache.mahout.common.RandomUtils
  Finds next-largest "twin primes": numbers p and p+2 such that both are prime.
nextWeibull(double, double, RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a weibull distributed random number.
nextZipfInt(double, RandomEngine) - Static method in class org.apache.mahout.math.jet.random.Distributions
  Deprecated. Returns a zipfian distributed random number with the given skew.
norm(double) - Method in class org.apache.mahout.math.AbstractVector
norm(double) - Method in class org.apache.mahout.math.NamedVector
norm(double) - Method in interface org.apache.mahout.math.Vector
  Return the k-norm of the vector.
norm2() - Method in class org.apache.mahout.math.SingularValueDecomposition
  Returns the two norm, which is `max(S)`.
Normal - Class in org.apache.mahout.math.jet.random
  Implements a normal distribution specified mean and standard deviation.
Normal(double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Normal
normal(double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Returns the area under the Normal (Gaussian) probability density function, integrated from minus infinity to `x` (assumes mean is zero, variance is one).
normal(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Returns the area under the Normal (Gaussian) probability density function, integrated from minus infinity to `x`.
normalInverse(double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
normalize() - Method in class org.apache.mahout.math.AbstractVector
normalize(double) - Method in class org.apache.mahout.math.AbstractVector
normalize() - Method in class org.apache.mahout.math.NamedVector
normalize(double) - Method in class org.apache.mahout.math.NamedVector
normalize() - Method in interface org.apache.mahout.math.Vector
  Return a new vector containing the normalized (L_2 norm) values of the recipient
normalize(double) - Method in interface org.apache.mahout.math.Vector
  Return a new Vector containing the normalized (L_power norm) values of the recipient.
numCols() - Method in class org.apache.mahout.math.AbstractMatrix
numCols() - Method in interface org.apache.mahout.math.VectorIterable
numRows() - Method in class org.apache.mahout.math.AbstractMatrix
numRows() - Method in interface org.apache.mahout.math.VectorIterable
numSlices() - Method in class org.apache.mahout.math.AbstractMatrix
  Abstracted out for the iterator
numSlices() - Method in class org.apache.mahout.math.SparseColumnMatrix
  Abstracted out for the iterator
numSlices() - Method in interface org.apache.mahout.math.VectorIterable

## O

ObjectFunction<T> - Interface in org.apache.mahout.math.function
  Interface that represents a function object: a function that takes a single argument and returns a single value.
ObjectObjectFunction<T> - Interface in org.apache.mahout.math.function
  Interface that represents a function object: a function that takes two arguments and returns a single value.
offset(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Returns the position of the given absolute rank within the (virtual or non-virtual) internal 1-dimensional array.
OnlineSummarizer - Class in org.apache.mahout.math.stats
  Computes on-line estimates of mean, variance and all five quartiles (notably including the median).
OnlineSummarizer() - Constructor for class org.apache.mahout.math.stats.OnlineSummarizer
org.apache.mahout.common - package org.apache.mahout.common
org.apache.mahout.math - package org.apache.mahout.math
  Core base classes; Operations on primitive arrays such as sorting, partitioning and permuting.
org.apache.mahout.math.decomposer - package org.apache.mahout.math.decomposer
org.apache.mahout.math.decomposer.hebbian - package org.apache.mahout.math.decomposer.hebbian
org.apache.mahout.math.decomposer.lanczos - package org.apache.mahout.math.decomposer.lanczos
org.apache.mahout.math.function - package org.apache.mahout.math.function
  Core interfaces for functions, comparisons and procedures on objects and primitive data types.
org.apache.mahout.math.jet.math - package org.apache.mahout.math.jet.math
  Tools for basic and advanced mathematics: Arithmetics and Algebra, Polynomials and Chebyshev series, Bessel and Airy functions, Function Objects for generic function evaluation, etc.
org.apache.mahout.math.jet.random - package org.apache.mahout.math.jet.random
  Large variety of probability distributions featuring high performance generation of random numbers, CDF's and PDF's.
org.apache.mahout.math.jet.random.engine - package org.apache.mahout.math.jet.random.engine
  Engines generating strong uniformly distributed pseudo-random numbers; Needed by all JET probability distributions since they rely on uniform random numbers to generate random numbers from their own distribution.
org.apache.mahout.math.jet.random.sampling - package org.apache.mahout.math.jet.random.sampling
  Samples (picks) random subsets of data sequences.
org.apache.mahout.math.jet.stat - package org.apache.mahout.math.jet.stat
  Tools for basic and advanced statistics: Estimators, Gamma functions, Beta functions, Probabilities, Special integrals, etc.
org.apache.mahout.math.matrix - package org.apache.mahout.math.matrix
  Matrix interfaces and factories; efficient and flexible dense and sparse 1, 2, 3 and d-dimensional matrices holding objects or primitive data types such as `int`, `double`, etc; Templated, fixed sized (not dynamically resizable); Also known as multi-dimensional arrays or Data Cubes.
org.apache.mahout.math.matrix.impl - package org.apache.mahout.math.matrix.impl
  Matrix implementations; You normally need not look at this package, because all concrete classes implement the abstract interfaces of `org.apache.mahout.math.matrix`, without subsetting or supersetting.
org.apache.mahout.math.matrix.linalg - package org.apache.mahout.math.matrix.linalg
  Linear Algebraic matrix computations operating on `DoubleMatrix2D` and `DoubleMatrix1D`.
org.apache.mahout.math.stats - package org.apache.mahout.math.stats
OrthonormalityVerifier - Class in org.apache.mahout.math

## P

p1evl(double, double[], int) - Static method in class org.apache.mahout.math.jet.math.Polynomial
  Evaluates the given polynomial of degree `N` at `x`, assuming coefficient of N is 1.0.
pairwiseInnerProducts(Iterable<MatrixSlice>) - Static method in class org.apache.mahout.math.OrthonormalityVerifier
pdf(double) - Method in class org.apache.mahout.math.jet.random.AbstractContinousDistribution
pdf(double) - Method in class org.apache.mahout.math.jet.random.Beta
  Deprecated. Returns the cumulative distribution function.
pdf(int) - Method in class org.apache.mahout.math.jet.random.Binomial
  Deprecated. Returns the probability distribution function.
pdf(double) - Method in class org.apache.mahout.math.jet.random.ChiSquare
  Deprecated. Returns the probability distribution function.
pdf(double) - Method in class org.apache.mahout.math.jet.random.Empirical
  Deprecated. Returns the probability distribution function.
pdf(int) - Method in class org.apache.mahout.math.jet.random.Empirical
  Deprecated. Returns the probability distribution function.
pdf(int) - Method in class org.apache.mahout.math.jet.random.EmpiricalWalker
  Deprecated. Returns the probability distribution function.
pdf(double) - Method in class org.apache.mahout.math.jet.random.Exponential
  Returns the value of the probability density function at a particular point.
pdf(double) - Method in class org.apache.mahout.math.jet.random.Gamma
  Returns the probability distribution function.
pdf(int) - Method in class org.apache.mahout.math.jet.random.HyperGeometric
  Deprecated. Returns the probability distribution function.
pdf(int) - Method in class org.apache.mahout.math.jet.random.NegativeBinomial
  Returns the probability distribution function.
pdf(double) - Method in class org.apache.mahout.math.jet.random.Normal
  Returns the probability density function.
pdf(int) - Method in class org.apache.mahout.math.jet.random.Poisson
  Deprecated.
pdf(double) - Method in class org.apache.mahout.math.jet.random.StudentT
  Deprecated. Returns the probability distribution function.
pdf(double) - Method in class org.apache.mahout.math.jet.random.Uniform
  Returns the probability distribution function (assuming a continous uniform distribution).
permute(int[], Swapper, int[], int[]) - Static method in class org.apache.mahout.math.GenericPermuting
  Deprecated. Generically reorders arbitrary shaped generic data `g` such that `g[i] == g[indexes[i]]`.
permute(DoubleMatrix1D, int[], double[]) - Static method in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Modifies the given vector `A` such that it is permuted as specified; Useful for pivoting.
permute(DoubleMatrix2D, int[], int[]) - Static method in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Constructs and returns a new row and column permuted selection view of matrix `A`; equivalent to `DoubleMatrix2D.viewSelection(int[],int[])`.
permuteColumns(DoubleMatrix2D, int[], int[]) - Static method in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Modifies the given matrix `A` such that it's columns are permuted as specified; Useful for pivoting.
permuteRows(DoubleMatrix2D, int[], int[]) - Static method in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Modifies the given matrix `A` such that it's rows are permuted as specified; Useful for pivoting.
plus(double) - Method in class org.apache.mahout.math.AbstractMatrix
plus(Matrix) - Method in class org.apache.mahout.math.AbstractMatrix
plus(double) - Method in class org.apache.mahout.math.AbstractVector
plus(Vector) - Method in class org.apache.mahout.math.AbstractVector
PLUS - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a + b`.
plus(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a + b`.
plus(double) - Method in interface org.apache.mahout.math.Matrix
  Return a new matrix containing the sum of each value of the recipient and the argument
plus(Matrix) - Method in interface org.apache.mahout.math.Matrix
  Return a new matrix containing the element by element sum of the recipient and the argument
plus(double) - Method in class org.apache.mahout.math.NamedVector
plus(Vector) - Method in class org.apache.mahout.math.NamedVector
plus(double) - Method in interface org.apache.mahout.math.Vector
  Return a new vector containing the sum of each value of the recipient and the argument
plus(Vector) - Method in interface org.apache.mahout.math.Vector
  Return a new vector containing the element by element sum of the recipient and the argument
PLUS_ABS - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.abs(a) + Math.abs(b)`.
plusDiv(double) - Static method in class org.apache.mahout.math.function.PlusMult
  `a + b/constant`.
plusMult(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `a + b*constant`.
PlusMult - Class in org.apache.mahout.math.function
  Only for performance tuning of compute intensive linear algebraic computations.
PlusMult(double) - Constructor for class org.apache.mahout.math.function.PlusMult
plusMult(double) - Static method in class org.apache.mahout.math.function.PlusMult
  `a + b*constant`.
Poisson - Class in org.apache.mahout.math.jet.random
  Partially deprecated until unit tests are in place.
Poisson(double, Random) - Constructor for class org.apache.mahout.math.jet.random.Poisson
  Constructs a poisson distribution.
poisson(int, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Returns the sum of the first `k` terms of the Poisson distribution.
poissonComplemented(int, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
PoissonSlow - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
PoissonSlow(double, Random) - Constructor for class org.apache.mahout.math.jet.random.PoissonSlow
  Deprecated. Constructs a poisson distribution.
polevl(double, double[], int) - Static method in class org.apache.mahout.math.jet.math.Polynomial
  Evaluates the given polynomial of degree `N` at `x`.
Polynomial - Class in org.apache.mahout.math.jet.math
  Polynomial functions.
Polynomial() - Constructor for class org.apache.mahout.math.jet.math.Polynomial
  Makes this class non instantiable, but still let's others inherit from it.
pooledMean(int, double, int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the pooled mean of two data sequences.
pooledVariance(int, double, int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the pooled variance of two data sequences.
POW - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.pow(a,b)`.
pow(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `Math.pow(a,b)`.
Probability - Class in org.apache.mahout.math.jet.stat
  Partially deprecated until unit tests are in place.
Probability() - Constructor for class org.apache.mahout.math.jet.stat.Probability
  Makes this class non instantiable, but still let's others inherit from it.
product(int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the product, which is `Prod( data[i] )`.
product(DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the product of a data sequence, which is `Prod( data[i] )`.
property() - Method in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Returns the property object attached to this Algebra, defining tolerance.
Property - Class in org.apache.mahout.math.matrix.linalg
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Property(double) - Constructor for class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Constructs an instance with a tolerance of `Math.abs(newTolerance)`.

## Q

QRDecomposition - Class in org.apache.mahout.math.matrix.linalg
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
QRDecomposition(DoubleMatrix2D) - Constructor for class org.apache.mahout.math.matrix.linalg.QRDecomposition
  Deprecated. Constructs and returns a new QR decomposition object; computed by Householder reflections; The decomposed matrices can be retrieved via instance methods of the returned decomposition object.
QRDecomposition - Class in org.apache.mahout.math
  partially deprecated until unit tests are in place.
QRDecomposition(Matrix) - Constructor for class org.apache.mahout.math.QRDecomposition
  Constructs and returns a new QR decomposition object; computed by Householder reflections; The decomposed matrices can be retrieved via instance methods of the returned decomposition object.
quantile(DoubleArrayList, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the `phi-`quantile; that is, an element `elem` for which holds that `phi` percent of data elements are less than `elem`.
quantileInverse(DoubleArrayList, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns how many percent of the elements contained in the receiver are `<= element`.
quantiles(DoubleArrayList, DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the quantiles of the specified percentages.

## R

random() - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns a new uniform random number in the open unit interval `(0.0,1.0)` (excluding 0.0 and 1.0).
random(int) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a matrix with uniformly distributed values in `(0,1)` (exclusive).
random(int, int) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a matrix with uniformly distributed values in `(0,1)` (exclusive).
RandomAccessSparseVector - Class in org.apache.mahout.math
  Implements vector that only stores non-zero doubles
RandomAccessSparseVector() - Constructor for class org.apache.mahout.math.RandomAccessSparseVector
  For serialization purposes only.
RandomAccessSparseVector(int) - Constructor for class org.apache.mahout.math.RandomAccessSparseVector
RandomAccessSparseVector(int, int) - Constructor for class org.apache.mahout.math.RandomAccessSparseVector
RandomAccessSparseVector(Vector) - Constructor for class org.apache.mahout.math.RandomAccessSparseVector
RandomAccessSparseVector(RandomAccessSparseVector, boolean) - Constructor for class org.apache.mahout.math.RandomAccessSparseVector
RandomEngine - Class in org.apache.mahout.math.jet.random.engine
  Abstract base class for uniform pseudo-random number generating engines.
RandomEngine() - Constructor for class org.apache.mahout.math.jet.random.engine.RandomEngine
randomGenerator - Variable in class org.apache.mahout.math.jet.random.AbstractDistribution
RandomSampler - Class in org.apache.mahout.math.jet.random.sampling
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
RandomSampler(long, long, long, Random) - Constructor for class org.apache.mahout.math.jet.random.sampling.RandomSampler
  Deprecated. Constructs a random sampler that computes and delivers sorted random sets in blocks.
RandomSamplingAssistant - Class in org.apache.mahout.math.jet.random.sampling
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
RandomSamplingAssistant(long, long, Random) - Constructor for class org.apache.mahout.math.jet.random.sampling.RandomSamplingAssistant
  Deprecated. Constructs a random sampler that samples `n` random elements from an input sequence of `N` elements.
RandomUtils - Class in org.apache.mahout.common
  The source of random stuff for the whole project.
RandomWrapper - Class in org.apache.mahout.common
rank(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Returns the absolute rank of the given relative rank.
rank() - Method in class org.apache.mahout.math.SingularValueDecomposition
  Returns the effective numerical matrix rank, which is the number of nonnegligible singular values.
rankInterpolated(DoubleArrayList, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the linearly interpolated number of elements in a list less or equal to a given element.
raw() - Method in class org.apache.mahout.math.jet.random.engine.RandomEngine
rejectMethodD(long, long, int, long, long[], int, Random) - Static method in class org.apache.mahout.math.jet.random.sampling.RandomSampler
  Deprecated. Efficiently computes a sorted random set of `count` elements from the interval `[low,low+N-1]`.
remove() - Method in class org.apache.mahout.math.VectorView.AllIterator
remove() - Method in class org.apache.mahout.math.VectorView.NonZeroIterator
repeat(DoubleMatrix1D, int) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. C = A||A||..||A; Constructs a new matrix which is concatenated `repeat` times.
repeat(DoubleMatrix2D, int, int) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. C = A||A||..||A; Constructs a new matrix which is duplicated both along the row and column dimension.
RINT - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.rint(a)`.
rms(int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the RMS (Root-Mean-Square) of a data sequence.
rootLogLikelihoodRatio(int, int, int, int) - Static method in class org.apache.mahout.math.stats.LogLikelihood
  Calculate the root log-likelihood ratio for two events.
round(double) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns the number rounded to the given precision; `Math.rint(a/precision)*precision`.
ROW - Static variable in class org.apache.mahout.math.AbstractMatrix
rowLabelBindings - Variable in class org.apache.mahout.math.AbstractMatrix
rowOffset(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Returns the position of the given absolute rank within the (virtual or non-virtual) internal 1-dimensional array.
rowOffset(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the position of the given absolute rank within the (virtual or non-virtual) internal 1-dimensional array.
rowRank(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Returns the absolute rank of the given relative rank.
rowRank(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the absolute rank of the given relative rank.
rows - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated.
rows() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Returns the number of rows.
rows() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the number of rows.
rowSize() - Method in class org.apache.mahout.math.AbstractMatrix
rowSize() - Method in interface org.apache.mahout.math.Matrix
rowSize() - Method in class org.apache.mahout.math.VectorList
rowStride - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. the number of elements between two rows, i.e.
rowZero - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. the index of the first element

## S

SAFE_MAX - Static variable in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
sample(long, long, int, long, long[], int, Random) - Static method in class org.apache.mahout.math.jet.random.sampling.RandomSampler
  Deprecated. Efficiently computes a sorted random set of `count` elements from the interval `[low,low+N-1]`.
sample(int, double, double) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a randomly sampled matrix with the given shape.
sample(int, int, double, double) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Constructs a randomly sampled matrix with the given shape.
sample(DoubleMatrix2D, double, double) - Method in class org.apache.mahout.math.matrix.DoubleFactory2D
  Deprecated. Modifies the given matrix to be a randomly sampled matrix.
sampleArray(int, int[]) - Static method in class org.apache.mahout.math.jet.random.sampling.RandomSamplingAssistant
  Deprecated. Just shows how this class can be used; samples n elements from and int[] array.
sampleKurtosis(int, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sample kurtosis (aka excess) of a data sequence.
sampleKurtosis(DoubleArrayList, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sample kurtosis (aka excess) of a data sequence.
sampleKurtosisStandardError(int) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Return the standard error of the sample kurtosis.
sampleMethodA(long, long, int, long, long[], int, Random) - Static method in class org.apache.mahout.math.jet.random.sampling.RandomSampler
  Deprecated. Computes a sorted random set of `count` elements from the interval `[low,low+N-1]`.
sampleMethodD(long, long, int, long, long[], int, Random) - Static method in class org.apache.mahout.math.jet.random.sampling.RandomSampler
  Deprecated. Efficiently computes a sorted random set of `count` elements from the interval `[low,low+N-1]`.
sampleNextElement() - Method in class org.apache.mahout.math.jet.random.sampling.RandomSamplingAssistant
  Deprecated. Returns whether the next element of the input sequence shall be sampled (picked) or not.
sampleNextElement() - Method in class org.apache.mahout.math.jet.random.sampling.WeightedRandomSampler
  Deprecated. Chooses exactly one random element from successive blocks of `weight` input elements each.
sampleSkew(int, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sample skew of a data sequence.
sampleSkew(DoubleArrayList, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sample skew of a data sequence.
sampleSkewStandardError(int) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Return the standard error of the sample skew.
sampleStandardDeviation(int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sample standard deviation.
sampleVariance(int, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sample variance of a data sequence.
sampleVariance(DoubleArrayList, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sample variance of a data sequence.
sampleWeightedVariance(double, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sample weighted variance of a data sequence.
scaleFactor - Variable in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
seedBytesToLong(byte[]) - Static method in class org.apache.mahout.common.RandomUtils
semiBandwidth(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Returns the semi-bandwidth of the given square matrix `A`.
SequentialAccessSparseVector - Class in org.apache.mahout.math
  Implements vector that only stores non-zero doubles as a pair of parallel arrays (OrderedIntDoubleMapping), one int[], one double[].
SequentialAccessSparseVector() - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
  For serialization purposes only.
SequentialAccessSparseVector(int) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
SequentialAccessSparseVector(int, int) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
SequentialAccessSparseVector(Vector) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
SequentialAccessSparseVector(SequentialAccessSparseVector, boolean) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
SequentialAccessSparseVector(SequentialAccessSparseVector) - Constructor for class org.apache.mahout.math.SequentialAccessSparseVector
serialize(Matrix, Type, JsonSerializationContext) - Method in class org.apache.mahout.math.JsonMatrixAdapter
serialize(Vector, Type, JsonSerializationContext) - Method in class org.apache.mahout.math.JsonVectorAdapter
set(String, double[]) - Method in class org.apache.mahout.math.AbstractMatrix
set(String, int, double[]) - Method in class org.apache.mahout.math.AbstractMatrix
set(String, String, double) - Method in class org.apache.mahout.math.AbstractMatrix
set(String, String, int, int, double) - Method in class org.apache.mahout.math.AbstractMatrix
set(int, int, double) - Method in class org.apache.mahout.math.AbstractMatrix
set(int, double[]) - Method in class org.apache.mahout.math.AbstractMatrix
set(double) - Method in class org.apache.mahout.math.AbstractVector.LocalElement
set(int, double) - Method in class org.apache.mahout.math.AbstractVector
set(int, double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Sets the matrix cell at coordinate `index` to the specified value.
set(int, int, double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Sets the matrix cell at coordinate `[row,column]` to the specified value.
set(int, int, double) - Method in interface org.apache.mahout.math.Matrix
  Set the value at the given index
set(int, double[]) - Method in interface org.apache.mahout.math.Matrix
set(String, String, double) - Method in interface org.apache.mahout.math.Matrix
  Set the value at the given index
set(String, String, int, int, double) - Method in interface org.apache.mahout.math.Matrix
  Set the value at the given index, updating the row and column label bindings
set(String, double[]) - Method in interface org.apache.mahout.math.Matrix
  Sets the row values at the given row label
set(String, int, double[]) - Method in interface org.apache.mahout.math.Matrix
  Sets the row values at the given row index and updates the row labels
set(int, double) - Method in class org.apache.mahout.math.NamedVector
set(double) - Method in interface org.apache.mahout.math.Vector.Element
set(int, double) - Method in interface org.apache.mahout.math.Vector
  Set the value at the given index
setActivationDenominatorSquared(double) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setActivationNumerator(double) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setColumnLabelBindings(Map<String, Integer>) - Method in class org.apache.mahout.math.AbstractMatrix
setColumnLabelBindings(Map<String, Integer>) - Method in interface org.apache.mahout.math.Matrix
  Sets a map of column label bindings in the receiver
setCurrentEigens(Matrix) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setCurrentEigenValues(List<Double>) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setFirstPass(boolean) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setHelperVector(Vector) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setLU(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Sets the combined lower and upper triangular factor, `LU`.
setMean(double) - Method in class org.apache.mahout.math.jet.random.Poisson
  Deprecated.
setMean(double) - Method in class org.apache.mahout.math.jet.random.PoissonSlow
  Deprecated. Sets the mean.
setMultiplicator(double) - Method in class org.apache.mahout.math.function.Mult
setMultiplicator(double) - Method in class org.apache.mahout.math.function.PlusMult
setNandP(int, double) - Method in class org.apache.mahout.math.jet.random.Binomial
  Deprecated. Sets the parameters number of trials and the probability of success.
setNumEigensProcessed(int) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setProperty(Property) - Method in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Attaches the given property object to this Algebra, defining tolerance.
setQuick(int, double) - Method in class org.apache.mahout.math.AbstractMatrix.TransposeViewVector
setQuick(int, int, double) - Method in class org.apache.mahout.math.DenseMatrix
setQuick(int, double) - Method in class org.apache.mahout.math.DenseVector
setQuick(int, double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Sets the matrix cell at coordinate `index` to the specified value.
setQuick(int, int, double) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Sets the matrix cell at coordinate `[row,column]` to the specified value.
setQuick(int, double) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Sets the matrix cell at coordinate `index` to the specified value.
setQuick(int, int, double) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Sets the matrix cell at coordinate `[row,column]` to the specified value.
setQuick(int, double) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Sets the matrix cell at coordinate `index` to the specified value.
setQuick(int, int, double) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Sets the matrix cell at coordinate `[row,column]` to the specified value.
setQuick(int, int, double) - Method in interface org.apache.mahout.math.Matrix
  Set the value at the given index, without checking bounds
setQuick(int, double) - Method in class org.apache.mahout.math.MatrixVectorView
  Set the value at the given index, without checking bounds
setQuick(int, int, double) - Method in class org.apache.mahout.math.MatrixView
setQuick(int, double) - Method in class org.apache.mahout.math.NamedVector
setQuick(int, double) - Method in class org.apache.mahout.math.RandomAccessSparseVector
setQuick(int, double) - Method in class org.apache.mahout.math.SequentialAccessSparseVector
setQuick(int, int, double) - Method in class org.apache.mahout.math.SparseColumnMatrix
setQuick(int, int, double) - Method in class org.apache.mahout.math.SparseMatrix
setQuick(int, int, double) - Method in class org.apache.mahout.math.SparseRowMatrix
setQuick(int, double) - Method in interface org.apache.mahout.math.Vector
  Set the value at the given index, without checking bounds
setQuick(int, int, double) - Method in class org.apache.mahout.math.VectorList
  Set the value at the given index, without checking bounds
setQuick(int, double) - Method in class org.apache.mahout.math.VectorView
setRandomGenerator(Random) - Method in class org.apache.mahout.math.jet.random.AbstractDistribution
  Sets the uniform random generator internally used.
setRandomGenerator(Random) - Method in class org.apache.mahout.math.jet.random.Normal
  Sets the uniform random generator internally used.
setRandP(int, double) - Method in class org.apache.mahout.math.jet.random.NegativeBinomial
  Sets the parameters number of trials and the probability of success.
setRowLabelBindings(Map<String, Integer>) - Method in class org.apache.mahout.math.AbstractMatrix
setRowLabelBindings(Map<String, Integer>) - Method in interface org.apache.mahout.math.Matrix
  Sets a map of row label bindings in the receiver
setSeed(long) - Method in class org.apache.mahout.common.RandomWrapper
setState(double, double) - Method in class org.apache.mahout.math.jet.random.Beta
  Deprecated. Sets the parameters.
setState(double, double, double) - Method in class org.apache.mahout.math.jet.random.BreitWigner
  Deprecated. Sets the mean, gamma and cut parameters.
setState(double) - Method in class org.apache.mahout.math.jet.random.ChiSquare
  Deprecated. Sets the distribution parameter.
setState(double[], int) - Method in class org.apache.mahout.math.jet.random.Empirical
  Deprecated. Sets the distribution parameters.
setState(double[], int) - Method in class org.apache.mahout.math.jet.random.EmpiricalWalker
  Deprecated. Sets the distribution parameters.
setState(double) - Method in class org.apache.mahout.math.jet.random.Exponential
  Sets the rate parameter.
setState(double) - Method in class org.apache.mahout.math.jet.random.ExponentialPower
  Deprecated. Sets the distribution parameter.
setState(double, double) - Method in class org.apache.mahout.math.jet.random.Hyperbolic
  Deprecated. Sets the parameters.
setState(int, int, int) - Method in class org.apache.mahout.math.jet.random.HyperGeometric
  Deprecated. Sets the parameters.
setState(double) - Method in class org.apache.mahout.math.jet.random.Logarithmic
  Deprecated. Sets the distribution parameter.
setState(double, double) - Method in class org.apache.mahout.math.jet.random.Normal
  Sets the mean and variance.
setState(double) - Method in class org.apache.mahout.math.jet.random.StudentT
  Deprecated. Sets the distribution parameter.
setState(double, double) - Method in class org.apache.mahout.math.jet.random.Uniform
  Sets the internal state.
setState(double) - Method in class org.apache.mahout.math.jet.random.VonMises
  Deprecated. Sets the distribution parameter.
setState(double, double) - Method in class org.apache.mahout.math.jet.random.Zeta
  Deprecated. Returns a random number from the distribution.
setState2(double[]) - Method in class org.apache.mahout.math.jet.random.EmpiricalWalker
  Deprecated. Sets the distribution parameters.
setStatusProgress(List<EigenStatus>) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setTolerance(double) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Sets the tolerance to `Math.abs(newTolerance)`.
setTrainingIndex(int) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setTrainingProjections(Matrix) - Method in class org.apache.mahout.math.decomposer.hebbian.TrainingState
setUp(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Sets up a matrix with a given number of cells.
setUp(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Sets up a matrix with the given parameters.
setUp(int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Sets up a matrix with a given number of rows and columns.
setUp(int, int, int, int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Sets up a matrix with a given number of rows and columns and the given strides.
setUp(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Sets up a matrix with a given number of slices and rows.
setUp(int, int, int, int, int, int, int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Sets up a matrix with a given number of slices and rows and the given strides.
setWeight(int) - Method in class org.apache.mahout.math.jet.random.sampling.WeightedRandomSampler
  Deprecated. Not yet commented.
shape() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated.
shared - Static variable in class org.apache.mahout.math.jet.random.Uniform
SIGN - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a < 0 ? -1 : a > 0 ? 1 : 0`.
SimpleEigenVerifier - Class in org.apache.mahout.math.decomposer
SimpleEigenVerifier() - Constructor for class org.apache.mahout.math.decomposer.SimpleEigenVerifier
SIN - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.sin(a)`.
SingularValueDecomposition - Class in org.apache.mahout.math
SingularValueDecomposition(Matrix) - Constructor for class org.apache.mahout.math.SingularValueDecomposition
  Constructs and returns a new singular value decomposition object; The decomposed matrices can be retrieved via instance methods of the returned decomposition object.
SingularVectorVerifier - Interface in org.apache.mahout.math.decomposer
size() - Method in class org.apache.mahout.math.AbstractMatrix
size() - Method in class org.apache.mahout.math.AbstractVector
size() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix
  Deprecated. Returns the number of cells.
size - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. the number of cells this matrix (view) has
size() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Returns the number of cells.
size() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Returns the number of cells which is `rows()*columns()`.
size() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the number of cells which is `slices()*rows()*columns()`.
size() - Method in interface org.apache.mahout.math.Matrix
  Return the cardinality of the recipient (the maximum number of values)
size() - Method in class org.apache.mahout.math.NamedVector
size() - Method in interface org.apache.mahout.math.Vector
  Return the cardinality of the recipient (the maximum number of values)
size() - Method in class org.apache.mahout.math.VectorList
skew(double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the skew of a data sequence.
skew(DoubleArrayList, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the skew of a data sequence, which is `moment(data,3,mean) / standardDeviation3`.
slice(int) - Method in class org.apache.mahout.math.AbstractMatrix
  Abstracted out for iterating over either rows or columns (default is rows).
slice(int) - Method in class org.apache.mahout.math.SparseColumnMatrix
  Iterate over columns.
sliceOffset(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the position of the given absolute rank within the (virtual or non-virtual) internal 1-dimensional array.
sliceRank(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the absolute rank of the given relative rank.
slices() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Returns the number of slices.
solve(Matrix, int) - Method in class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
  Primary singular vector solving method.
solve(VectorIterable, int, Matrix, List<Double>) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
solve(VectorIterable, int, Matrix, List<Double>, boolean) - Method in class org.apache.mahout.math.decomposer.lanczos.LanczosSolver
solve(DoubleMatrix2D, DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.Algebra
  Deprecated. Solves A*X = B.
solve(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.LUDecomposition
  Deprecated. Solves `A*X = B`.
solve(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Solves the system of equations `A*X = B` (in-place).
solve(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Solves the system of equations `A*X = B` (in-place).
solve(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.QRDecomposition
  Deprecated. Least squares solution of `A*X = B`; `returns X`.
solve(Matrix) - Method in class org.apache.mahout.math.QRDecomposition
  Least squares solution of `A*X = B`; `returns X`.
SparseColumnMatrix - Class in org.apache.mahout.math
  sparse matrix with general element values whose columns are accessible quickly.
SparseColumnMatrix() - Constructor for class org.apache.mahout.math.SparseColumnMatrix
SparseColumnMatrix(int[], RandomAccessSparseVector[]) - Constructor for class org.apache.mahout.math.SparseColumnMatrix
  Construct a matrix of the given cardinality with the given data columns
SparseColumnMatrix(int[]) - Constructor for class org.apache.mahout.math.SparseColumnMatrix
  Construct a matrix of the given cardinality
SparseDoubleMatrix1D - Class in org.apache.mahout.math.matrix.impl
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
SparseDoubleMatrix1D(double[]) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Constructs a matrix with a copy of the given values.
SparseDoubleMatrix1D(int) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Constructs a matrix with a given number of cells.
SparseDoubleMatrix1D(int, int, double, double) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Constructs a matrix with a given number of parameters.
SparseDoubleMatrix2D - Class in org.apache.mahout.math.matrix.impl
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
SparseDoubleMatrix2D(double[][]) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Constructs a matrix with a copy of the given values.
SparseDoubleMatrix2D(int, int) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Constructs a matrix with a given number of rows and columns and default memory usage.
SparseDoubleMatrix2D(int, int, int, double, double) - Constructor for class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Constructs a matrix with a given number of rows and columns using memory as specified.
SparseMatrix - Class in org.apache.mahout.math
  Doubly sparse matrix.
SparseMatrix() - Constructor for class org.apache.mahout.math.SparseMatrix
SparseMatrix(int[], Map<Integer, RandomAccessSparseVector>) - Constructor for class org.apache.mahout.math.SparseMatrix
  Construct a matrix of the given cardinality with the given row map
SparseMatrix(int[]) - Constructor for class org.apache.mahout.math.SparseMatrix
  Construct a matrix of the given cardinality
SparseRowMatrix - Class in org.apache.mahout.math
  sparse matrix with general element values whose rows are accessible quickly.
SparseRowMatrix() - Constructor for class org.apache.mahout.math.SparseRowMatrix
SparseRowMatrix(int[], Vector[]) - Constructor for class org.apache.mahout.math.SparseRowMatrix
  Construct a matrix of the given cardinality with the given rows
SparseRowMatrix(int[], boolean) - Constructor for class org.apache.mahout.math.SparseRowMatrix
SparseRowMatrix(int[], Vector[], boolean, boolean) - Constructor for class org.apache.mahout.math.SparseRowMatrix
SparseRowMatrix(int[]) - Constructor for class org.apache.mahout.math.SparseRowMatrix
  Construct a matrix of the given cardinality, with rows defaulting to RandomAccessSparseVector implementation
split(DoubleArrayList, DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Splits (partitions) a list into sublists such that each sublist contains the elements with a given range.
SQRT - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.sqrt(a)`.
SQRTH - Static variable in class org.apache.mahout.math.jet.math.Constants
SQTPI - Static variable in class org.apache.mahout.math.jet.math.Constants
SQUARE - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `a * a`.
SquareRootFunction - Class in org.apache.mahout.math.function
SquareRootFunction() - Constructor for class org.apache.mahout.math.function.SquareRootFunction
standardDeviation(double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the standard deviation from a variance.
standardError(int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the standard error of a data sequence.
standardize(DoubleArrayList, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Modifies a data sequence to be standardized.
staticNextBoolean() - Static method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random `boolean`.
staticNextDouble(double, double, double) - Static method in class org.apache.mahout.math.jet.random.BreitWigner
  Deprecated. Returns a random number from the distribution.
staticNextDouble(double, double, double) - Static method in class org.apache.mahout.math.jet.random.BreitWignerMeanSquare
  Deprecated. Returns a random number from the distribution.
staticNextDouble(double) - Static method in class org.apache.mahout.math.jet.random.ChiSquare
  Deprecated. Returns a random number from the distribution.
staticNextDouble(double) - Static method in class org.apache.mahout.math.jet.random.ExponentialPower
  Deprecated. Returns a random number from the distribution.
staticNextDouble(double, double) - Static method in class org.apache.mahout.math.jet.random.Hyperbolic
  Deprecated. Returns a random number from the distribution.
staticNextDouble(double) - Static method in class org.apache.mahout.math.jet.random.Logarithmic
  Deprecated. Returns a random number from the distribution.
staticNextDouble(double) - Static method in class org.apache.mahout.math.jet.random.StudentT
  Deprecated. Returns a random number from the distribution.
staticNextDouble() - Static method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the open interval `(0,1)` (excluding `0` and `1`).
staticNextDouble(double) - Static method in class org.apache.mahout.math.jet.random.VonMises
  Deprecated. Returns a random number from the distribution.
staticNextDoubleFromTo(double, double) - Static method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the open interval `(from,to)` (excluding `from` and `to`).
staticNextFloatFromTo(float, float) - Static method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the open interval `(from,to)` (excluding `from` and `to`).
staticNextInt(int, double) - Static method in class org.apache.mahout.math.jet.random.Binomial
  Deprecated. Returns a random number from the distribution with the given parameters n and p.
staticNextIntFromTo(int, int) - Static method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the closed interval `[from,to]` (including `from` and `to`).
staticNextLongFromTo(long, long) - Static method in class org.apache.mahout.math.jet.random.Uniform
  Returns a uniformly distributed random number in the closed interval `[from,to]` (including `from` and `to`).
stirlingCorrection(int) - Static method in class org.apache.mahout.math.jet.math.Arithmetic
  Returns the StirlingCorrection.
stride - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. the number of indexes between any two elements, i.e.
stride(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Returns the stride of the given dimension (axis, rank).
StudentT - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
StudentT(double, Random) - Constructor for class org.apache.mahout.math.jet.random.StudentT
  Deprecated. Constructs a StudentT distribution.
studentT(double, double) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
studentTInverse(double, int) - Static method in class org.apache.mahout.math.jet.stat.Probability
  Deprecated.
sum() - Static method in class org.apache.mahout.math.function.VectorFunctions
sum(DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sum of a data sequence.
sumOfInversions(DoubleArrayList, int, int) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sum of inversions of a data sequence, which is `Sum( 1.0 / data[i])`.
sumOfLogarithms(DoubleArrayList, int, int) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sum of logarithms of a data sequence, which is `Sum( Log(data[i])`.
sumOfPowerDeviations(DoubleArrayList, int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns `Sum( (data[i]-c)k )`; optimized for common parameters like `c == 0.0` and/or `k == -2 ..`
sumOfPowerDeviations(DoubleArrayList, int, double, int, int) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns `Sum( (data[i]-c)k )` for all `i = from ..`
sumOfPowers(DoubleArrayList, int) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sum of powers of a data sequence, which is `Sum ( data[i]k )`.
sumOfSquaredDeviations(int, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sum of squared mean deviation of of a data sequence.
sumOfSquares(DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the sum of squares of a data sequence.
swap(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Swaps each element `this[i]` with `other[i]`.
swap(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Swaps each element `this[i]` with `other[i]`.
swapArgs(BinaryFunction) - Static method in class org.apache.mahout.math.function.Functions
  Constructs a function that returns `function.apply(b,a)`, i.e.

## T

TAN - Static variable in class org.apache.mahout.math.function.Functions
  Function that returns `Math.tan(a)`.
test(int, int) - Static method in class org.apache.mahout.math.jet.random.sampling.WeightedRandomSampler
  Deprecated. Not yet commented.
times(double) - Method in class org.apache.mahout.math.AbstractMatrix
times(Matrix) - Method in class org.apache.mahout.math.AbstractMatrix
times(Vector) - Method in class org.apache.mahout.math.AbstractMatrix
times(double) - Method in class org.apache.mahout.math.AbstractVector
times(Vector) - Method in class org.apache.mahout.math.AbstractVector
times(double) - Method in interface org.apache.mahout.math.Matrix
  Return a new matrix containing the product of each value of the recipient and the argument
times(Matrix) - Method in interface org.apache.mahout.math.Matrix
  Return a new matrix containing the product of the recipient and the argument
times(double) - Method in class org.apache.mahout.math.NamedVector
times(Vector) - Method in class org.apache.mahout.math.NamedVector
times(double) - Method in interface org.apache.mahout.math.Vector
  Return a new vector containing the product of each value of the recipient and the argument
times(Vector) - Method in interface org.apache.mahout.math.Vector
  Return a new vector containing the element-wise product of the recipient and the argument
times(Vector) - Method in interface org.apache.mahout.math.VectorIterable
  Return a new vector with cardinality equal to getNumRows() of this matrix which is the matrix product of the recipient and the argument
TimesFunction - Class in org.apache.mahout.math.function
TimesFunction() - Constructor for class org.apache.mahout.math.function.TimesFunction
timesSquared(Vector) - Method in class org.apache.mahout.math.AbstractMatrix
timesSquared(Vector) - Method in interface org.apache.mahout.math.VectorIterable
  Convenience method for producing this.transpose().times(this.times(v)), which can be implemented with only one pass over the matrix, without making the transpose() call (which can be expensive if the matrix is sparse)
toArray() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Constructs and returns a 1-dimensional array containing the cell values.
toArray(double[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Fills the cell values into the specified 1-dimensional array.
toArray() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a 2-dimensional array containing the cell values.
toArray(double[]) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Fills the cell values into the specified 1-dimensional array.
tolerance() - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Returns the current tolerance.
toList(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleFactory1D
  Deprecated. Constructs a list from the given matrix.
toString() - Method in class org.apache.mahout.common.DevURandomSeedGenerator
toString() - Method in class org.apache.mahout.math.AbstractVector
toString() - Method in class org.apache.mahout.math.jet.random.Beta
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Binomial
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.BreitWigner
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.ChiSquare
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Empirical
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.EmpiricalWalker
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Exponential
  Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.ExponentialPower
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Gamma
toString() - Method in class org.apache.mahout.math.jet.random.Hyperbolic
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.HyperGeometric
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Logarithmic
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.NegativeBinomial
  Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Normal
  Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Poisson
  Deprecated.
toString() - Method in class org.apache.mahout.math.jet.random.PoissonSlow
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.StudentT
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Uniform
  Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.VonMises
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.jet.random.Zeta
  Deprecated. Returns a String representation of the receiver.
toString() - Method in class org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition
  Deprecated. Returns a String with (propertyName, propertyValue) pairs.
toString() - Method in class org.apache.mahout.math.matrix.linalg.LUDecomposition
  Deprecated. Returns a String with (propertyName, propertyValue) pairs.
toString() - Method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Returns a String with (propertyName, propertyValue) pairs.
toString(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. Returns summary information about the given matrix `A`.
toString() - Method in class org.apache.mahout.math.matrix.linalg.QRDecomposition
  Deprecated. Returns a String with (propertyName, propertyValue) pairs.
toString() - Method in class org.apache.mahout.math.QRDecomposition
  Returns a rough string rendition of a QR.
toString() - Method in class org.apache.mahout.math.RandomAccessSparseVector
toString() - Method in class org.apache.mahout.math.SequentialAccessSparseVector
toString() - Method in class org.apache.mahout.math.SingularValueDecomposition
  Returns a String with (propertyName, propertyValue) pairs.
TrainingState - Class in org.apache.mahout.math.decomposer.hebbian
transpose() - Method in class org.apache.mahout.math.AbstractMatrix
transpose() - Method in interface org.apache.mahout.math.Matrix
  Return a new matrix that is the transpose of the receiver
trimmedMean(DoubleArrayList, double, int, int) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the trimmed mean of a sorted data sequence.
trimToSize() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix
  Deprecated. Releases any superfluous internal memory.
trimToSize() - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Releases any superfluous memory created by explicitly putting zero values into cells formerly having non-zero values; An application can use this operation to minimize the storage of the receiver.
trimToSize() - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Releases any superfluous memory created by explicitly putting zero values into cells formerly having non-zero values; An application can use this operation to minimize the storage of the receiver.
TWELVE - Static variable in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A Property object with `tolerance()==1.0E-12`.

## U

UnaryFunction - Interface in org.apache.mahout.math.function
  This interface allows the formulation of unary functions to be applied to matrices inside the inner loops of their implementations.
UnboundLabelException - Exception in org.apache.mahout.math
  Exception thrown when there is a cardinality mismatch in matrix operations
UnboundLabelException() - Constructor for exception org.apache.mahout.math.UnboundLabelException
Uniform - Class in org.apache.mahout.math.jet.random
Uniform(double, double, int) - Constructor for class org.apache.mahout.math.jet.random.Uniform
  Constructs a uniform distribution with the given minimum and maximum, using a `MersenneTwister` seeded with the given seed.
Uniform(double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Uniform
  Constructs a uniform distribution with the given minimum and maximum.
Uniform(Random) - Constructor for class org.apache.mahout.math.jet.random.Uniform
  Constructs a uniform distribution with `min=0.0` and `max=1.0`.
update(Vector, Vector, TrainingState) - Method in interface org.apache.mahout.math.decomposer.hebbian.EigenUpdater
update(Vector, Vector, TrainingState) - Method in class org.apache.mahout.math.decomposer.hebbian.HebbianUpdater
upperBandwidth(DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. The upper bandwidth of a square matrix `A` is the maximum `j-i` for which `A[i,j]` is nonzero and `j > i`.
upperTriangular(DoubleMatrix2D) - Static method in class org.apache.mahout.math.matrix.linalg.LUDecompositionQuick
  Deprecated. Modifies the matrix to be an upper triangular matrix.
useTestSeed() - Static method in class org.apache.mahout.common.RandomUtils

## V

valueOf(String) - Static method in enum org.apache.mahout.math.decomposer.lanczos.LanczosSolver.TimingSection
  Returns the enum constant of this type with the specified name.
values() - Static method in enum org.apache.mahout.math.decomposer.lanczos.LanczosSolver.TimingSection
  Returns an array containing the constants of this enum type, in the order they are declared.
values - Variable in class org.apache.mahout.math.DenseMatrix
variance(double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the variance from a standard deviation.
variance(int, double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the variance of a data sequence.
vColumnFlip() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Self modifying version of viewColumnFlip().
vColumnFlip() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Self modifying version of viewColumnFlip().
vDice() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Self modifying version of viewDice().
vDice(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Self modifying version of viewDice().
VECTOR - Static variable in class org.apache.mahout.math.JsonVectorAdapter
vector() - Method in class org.apache.mahout.math.MatrixSlice
Vector - Interface in org.apache.mahout.math
  The basic interface including numerous convenience functions

  NOTE: All implementing classes must have a constructor that takes an int for cardinality and a no-arg constructor that can be used for marshalling the Writable instance

  NOTE: Implementations may choose to reuse the Vector.Element in the Iterable methods
Vector.Element - Interface in org.apache.mahout.math
  A holder for information about a specific item in the Vector.
VectorFunction - Interface in org.apache.mahout.math.function
  Defines a function of a vector that returns a double.
VectorFunctions - Class in org.apache.mahout.math.function
VectorIterable - Interface in org.apache.mahout.math
VectorList - Class in org.apache.mahout.math
  Provides a very flexible matrix that is based on a simple list of vectors.
VectorList(int) - Constructor for class org.apache.mahout.math.VectorList
VectorList(int, int) - Constructor for class org.apache.mahout.math.VectorList
VectorList.JsonVectorListAdapter - Class in org.apache.mahout.math
VectorList.JsonVectorListAdapter() - Constructor for class org.apache.mahout.math.VectorList.JsonVectorListAdapter
VectorView - Class in org.apache.mahout.math
  Implements subset view of a Vector
VectorView() - Constructor for class org.apache.mahout.math.VectorView
  For serialization purposes only
VectorView(Vector, int, int) - Constructor for class org.apache.mahout.math.VectorView
VectorView.AllIterator - Class in org.apache.mahout.math
VectorView.NonZeroIterator - Class in org.apache.mahout.math
verify(VectorIterable, Vector) - Method in class org.apache.mahout.math.decomposer.AsyncEigenVerifier
verify(Matrix, Vector) - Method in class org.apache.mahout.math.decomposer.hebbian.HebbianSolver
verify(VectorIterable, Vector) - Method in class org.apache.mahout.math.decomposer.SimpleEigenVerifier
verify(VectorIterable, Vector) - Method in interface org.apache.mahout.math.decomposer.SingularVectorVerifier
vFlip() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Self modifying version of viewFlip().
view() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Constructs and returns a new view equal to the receiver.
view() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new view equal to the receiver.
viewColumn(int) - Method in class org.apache.mahout.math.AbstractMatrix
  Returns a view of a row.
viewColumn(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new slice view representing the rows of the given column.
viewColumn(int) - Method in interface org.apache.mahout.math.Matrix
viewColumnFlip() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new flip view along the column axis.
viewDice() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new dice (transposition) view; Swaps axes; example: 3 x 4 matrix --> 4 x 3 matrix.
viewFlip() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Constructs and returns a new flip view.
viewPart(int, int, int, int) - Method in class org.apache.mahout.math.AbstractMatrix
viewPart(int, int) - Method in class org.apache.mahout.math.AbstractVector
viewPart(int[], int[]) - Method in class org.apache.mahout.math.DenseMatrix
viewPart(int, int, int, int) - Method in class org.apache.mahout.math.DenseMatrix
viewPart(int, int) - Method in class org.apache.mahout.math.DenseVector
viewPart(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Constructs and returns a new sub-range view that is a `width` sub matrix starting at `index`.
viewPart(int, int, int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new sub-range view that is a `height x width` sub matrix starting at `[row,column]`.
viewPart(int[], int[]) - Method in interface org.apache.mahout.math.Matrix
  Return a new matrix containing the subset of the recipient
viewPart(int, int, int, int) - Method in interface org.apache.mahout.math.Matrix
  Return a new matrix containing the subset of the recipient
viewPart(int[], int[]) - Method in class org.apache.mahout.math.MatrixView
viewPart(int, int) - Method in class org.apache.mahout.math.NamedVector
viewPart(int[], int[]) - Method in class org.apache.mahout.math.SparseColumnMatrix
viewPart(int[], int[]) - Method in class org.apache.mahout.math.SparseMatrix
viewPart(int[], int[]) - Method in class org.apache.mahout.math.SparseRowMatrix
viewPart(int, int) - Method in interface org.apache.mahout.math.Vector
  Return a new vector containing the subset of the recipient
viewPart(int[], int[]) - Method in class org.apache.mahout.math.VectorList
  Return a new matrix containing the subset of the recipient
viewPart(int, int) - Method in class org.apache.mahout.math.VectorView
viewRow(int) - Method in class org.apache.mahout.math.AbstractMatrix
  Returns a view of a row.
viewRow(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new slice view representing the columns of the given row.
viewRow(int) - Method in interface org.apache.mahout.math.Matrix
viewRowFlip() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new flip view along the row axis.
viewSelection(int[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Constructs and returns a new selection view that is a matrix holding the indicated cells.
viewSelection(DoubleProcedure) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Constructs and returns a new selection view that is a matrix holding the cells matching the given condition.
viewSelection(int[], int[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new selection view that is a matrix holding the indicated cells.
viewSelection(DoubleMatrix1DProcedure) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new selection view that is a matrix holding all rows matching the given condition.
viewSelectionLike(int[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Construct and returns a new selection view.
viewSelectionLike(int[], int[]) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Construct and returns a new selection view.
viewSelectionLike(int[]) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Construct and returns a new selection view.
viewSelectionLike(int[], int[]) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Construct and returns a new selection view.
viewSelectionLike(int[]) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix1D
  Deprecated. Construct and returns a new selection view.
viewSelectionLike(int[], int[]) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated. Construct and returns a new selection view.
viewStrides(int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Constructs and returns a new stride view which is a sub matrix consisting of every i-th cell.
viewStrides(int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Constructs and returns a new stride view which is a sub matrix consisting of every i-th cell.
VonMises - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
VonMises(double, Random) - Constructor for class org.apache.mahout.math.jet.random.VonMises
  Deprecated. Constructs a Von Mises distribution.
vPart(int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Self modifying version of viewPart().
vPart(int, int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Self modifying version of viewPart().
vPart(int, int, int, int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Self modifying version of viewPart().
vRowFlip() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Self modifying version of viewRowFlip().
vRowFlip() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Self modifying version of viewRowFlip().
vSliceFlip() - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Self modifying version of viewSliceFlip().
vStrides(int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. Self modifying version of viewStrides().
vStrides(int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix2D
  Deprecated. Self modifying version of viewStrides().
vStrides(int, int, int) - Method in class org.apache.mahout.math.matrix.impl.AbstractMatrix3D
  Deprecated. Self modifying version of viewStrides().

## W

weightedMean(DoubleArrayList, DoubleArrayList) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the weighted mean of a data sequence.
WeightedRandomSampler - Class in org.apache.mahout.math.jet.random.sampling
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
WeightedRandomSampler() - Constructor for class org.apache.mahout.math.jet.random.sampling.WeightedRandomSampler
  Deprecated. Calls `BlockedRandomSampler(1,null)`.
WeightedRandomSampler(int, Random) - Constructor for class org.apache.mahout.math.jet.random.sampling.WeightedRandomSampler
  Deprecated. Chooses exactly one random element from successive blocks of `weight` input elements each.
weightedRMS(double, double) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the weighted RMS (Root-Mean-Square) of a data sequence.
winsorizedMean(DoubleArrayList, double, int, int) - Static method in class org.apache.mahout.math.jet.stat.Descriptive
  Deprecated. Returns the winsorized mean of a sorted data sequence.

## Y

y0(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the Bessel function of the second kind of order 0 of the argument.
y1(double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the Bessel function of the second kind of order 1 of the argument.
yn(int, double) - Static method in class org.apache.mahout.math.jet.math.Bessel
  Deprecated. Returns the Bessel function of the second kind of order `n` of the argument.

## Z

zAssign8Neighbors(DoubleMatrix2D, Double9Function) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. 8 neighbor stencil transformation.
zAssign8Neighbors(DoubleMatrix2D, Double9Function) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. 8 neighbor stencil transformation.
zDotProduct(DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the dot product of two vectors x and y, which is `Sum(x[i]*y[i])`.
zDotProduct(DoubleMatrix1D, int, int) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the dot product of two vectors x and y, which is `Sum(x[i]*y[i])`.
zDotProduct(DoubleMatrix1D, int, int, IntArrayList) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the dot product of two vectors x and y, which is `Sum(x[i]*y[i])`.
zDotProduct(DoubleMatrix1D, IntArrayList) - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the dot product of two vectors x and y, which is `Sum(x[i]*y[i])`.
zDotProduct(DoubleMatrix1D, int, int) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Returns the dot product of two vectors x and y, which is `Sum(x[i]*y[i])`.
zero - Variable in class org.apache.mahout.math.matrix.impl.AbstractMatrix1D
  Deprecated. the index of the first element
ZERO - Static variable in class org.apache.mahout.math.matrix.linalg.Property
  Deprecated. A Property object with `tolerance()==0.0`.
Zeta - Class in org.apache.mahout.math.jet.random
  Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported.
Zeta(double, double, Random) - Constructor for class org.apache.mahout.math.jet.random.Zeta
  Deprecated. Constructs a Zeta distribution.
zMult(DoubleMatrix1D, DoubleMatrix1D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Linear algebraic matrix-vector multiplication; `z = A * y`; Equivalent to `return A.zMult(y,z,1,0);`
zMult(DoubleMatrix1D, DoubleMatrix1D, double, double, boolean) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Linear algebraic matrix-vector multiplication; `z = alpha * A * y + beta*z`.
zMult(DoubleMatrix2D, DoubleMatrix2D) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Linear algebraic matrix-matrix multiplication; `C = A x B`; Equivalent to `A.zMult(B,C,1,0,false,false)`.
zMult(DoubleMatrix2D, DoubleMatrix2D, double, double, boolean, boolean) - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Linear algebraic matrix-matrix multiplication; `C = alpha * A x B + beta*C`.
zMult(DoubleMatrix1D, DoubleMatrix1D, double, double, boolean) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated.
zMult(DoubleMatrix2D, DoubleMatrix2D, double, double, boolean, boolean) - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated.
zMult(DoubleMatrix1D, DoubleMatrix1D, double, double, boolean) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated.
zMult(DoubleMatrix2D, DoubleMatrix2D, double, double, boolean, boolean) - Method in class org.apache.mahout.math.matrix.impl.SparseDoubleMatrix2D
  Deprecated.
zSum() - Method in class org.apache.mahout.math.AbstractMatrix
zSum() - Method in class org.apache.mahout.math.AbstractVector
zSum() - Method in class org.apache.mahout.math.matrix.DoubleMatrix1D
  Deprecated. Returns the sum of all cells; `Sum( x[i] )`.
zSum() - Method in class org.apache.mahout.math.matrix.DoubleMatrix2D
  Deprecated. Returns the sum of all cells; `Sum( x[i,j] )`.
zSum() - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix1D
  Deprecated. Returns the sum of all cells; `Sum( x[i] )`.
zSum() - Method in class org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D
  Deprecated. Returns the sum of all cells; `Sum( x[i,j] )`.
zSum() - Method in interface org.apache.mahout.math.Matrix
  Return the sum of all the elements of the receiver
zSum() - Method in class org.apache.mahout.math.NamedVector
zSum() - Method in interface org.apache.mahout.math.Vector
  Return the sum of all the elements of the receiver

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