mikera.matrixx.impl

Class SubsetMatrix

java.lang.Object

mikera.transformz.ATransform

mikera.transformz.AAffineTransform

mikera.transformz.ALinearTransform

mikera.matrixx.AMatrix

mikera.matrixx.impl.SubsetMatrix

All Implemented Interfaces:

Cloneable, Iterable<AVector>, INDArray, ISparse, IMatrix, ITransform

public final class SubsetMatrix
extends AMatrix
implements ISparse

Matrix that transforms to a subset of elements of the source vector i.e. has exactly one 1.0 in each row

Author:

Mike

Method Summary

Methods

Modifier and Type	Method and Description
int	columnCount() Returns the number of columns in the matrix
static SubsetMatrix	create(Index components, int inputDimensions)
double	density() Computes the density ratio of this sparse array
double	elementSum() Returns the sum of all elements in the matrix
SubsetMatrix	exactClone() Returns an exact deep clone of an array (i.e.
double	get(int row, int column) Returns a specified element in the matrix
int	inputDimensions() Returns the number of dimensions required for input vectors
boolean	isFullyMutable() Returns true if the INDArray is fully mutable in all positions i.e.
int	outputDimensions() Returns the number of dimensions required for output vectors
int	rowCount() Returns the number of rows in the matrix
void	set(int row, int column, double value) Sets a specified element in the matrix
void	transform(AVector source, AVector dest) Transforms the source vector, storing the result in the given destination vector

Methods inherited from class mikera.matrixx.AMatrix

add, add, add, add, addAt, addMultiple, applyOp, applyOp, asVector, broadcast, calculateElement, clone, cloneRow, compose, compose, composeWith, composeWith, copyOfMatrix, copyOfTranslationVector, determinant, dimensionality, elementCount, elementMul, epsilonEquals, equals, equals, equals, equals, get, get, get, getColumn, getLeadingDiagonal, getMatrixComponent, getRow, getShape, getSlices, getTranspose, hashCode, innerProduct, innerProduct, innerProduct, innerProduct, inverse, isElementConstrained, isIdentity, isInvertible, isMutable, isSquare, isView, isZeroMatrix, iterator, mul, outerProduct, reshape, scale, set, set, set, set, set, set, slice, sliceCount, sub, sub, sub, sub, swapColumns, swapRows, toAffineTransform, toMutableMatrix, toString, toVector, trace, transformInPlace, transposeInPlace

Methods inherited from class mikera.transformz.ALinearTransform

getTranslationComponent, isLinear

Methods inherited from class mikera.transformz.AAffineTransform

compose, transformNormal

Methods inherited from class mikera.transformz.ATransform

takeComponents, takeComponents, takeComponents, transform

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

create

public static SubsetMatrix create(Index components,
                  int inputDimensions)

transform

public void transform(AVector source,
             AVector dest)

Description copied from class: ATransform

Transforms the source vector, storing the result in the given destination vector

Specified by:

transform in interface ITransform

Overrides:

transform in class AMatrix

isFullyMutable

public boolean isFullyMutable()

Description copied from interface: INDArray

Returns true if the INDArray is fully mutable in all positions i.e. every position can store any valid double value

Specified by:

isFullyMutable in interface INDArray

Overrides:

isFullyMutable in class AMatrix

Returns:

inputDimensions

public int inputDimensions()

Description copied from class: ATransform

Returns the number of dimensions required for input vectors

Specified by:

inputDimensions in interface ITransform

Overrides:

inputDimensions in class AMatrix

Returns:

outputDimensions

public int outputDimensions()

Description copied from class: ATransform

Returns the number of dimensions required for output vectors

Specified by:

outputDimensions in interface ITransform

Overrides:

outputDimensions in class AMatrix

Returns:

elementSum

public double elementSum()

Description copied from class: AMatrix

Returns the sum of all elements in the matrix

Overrides:

elementSum in class AMatrix

Returns:

rowCount

public int rowCount()

Description copied from class: AMatrix

Returns the number of rows in the matrix

Specified by:

rowCount in interface IMatrix

Specified by:

rowCount in class AMatrix

columnCount

public int columnCount()

Description copied from class: AMatrix

Returns the number of columns in the matrix

Specified by:

columnCount in interface IMatrix

Specified by:

columnCount in class AMatrix

density

public double density()

Description copied from interface: ISparse

Computes the density ratio of this sparse array

Specified by:

density in interface ISparse

Returns:

get

public double get(int row,
         int column)

Description copied from class: AMatrix

Returns a specified element in the matrix

Specified by:

get in interface INDArray

Specified by:

get in interface IMatrix

Specified by:

get in class AMatrix

set

public void set(int row,
       int column,
       double value)

Description copied from class: AMatrix

Sets a specified element in the matrix

Specified by:

set in interface INDArray

Specified by:

set in interface IMatrix

Specified by:

set in class AMatrix

exactClone

public SubsetMatrix exactClone()

Description copied from interface: INDArray

Returns an exact deep clone of an array (i.e. of the same class as the original).

Specified by:

exactClone in interface INDArray

Specified by:

exactClone in class AMatrix

Returns: