mikera.matrixx.impl

Class PermutedMatrix

java.lang.Object

mikera.transformz.ATransform

mikera.transformz.AAffineTransform

mikera.transformz.ALinearTransform

mikera.matrixx.AMatrix

mikera.matrixx.impl.PermutedMatrix

All Implemented Interfaces:

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

public class PermutedMatrix
extends AMatrix

Reference matrix class representing a permutation of a matrix

Author:

Mike

Constructor Summary

Constructors

Constructor and Description
PermutedMatrix(AMatrix source, Index rowPermutations)
PermutedMatrix(AMatrix source, Index rowPermutations, Index columnPermutations)

Method Summary

Methods

Modifier and Type	Method and Description
int	columnCount() Returns the number of columns in the matrix
PermutedMatrix	exactClone() Returns an exact deep clone of an array (i.e.
double	get(int row, int column) Returns a specified element in the matrix
AVector	getColumn(int column) Returns a column of the permuted matrix as a vector reference
AVector	getRow(int row) Returns a row of the permuted matrix as a vector reference
boolean	isZero() Returns true if the matrix is the zero matrix (all components zero)
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
double	unsafeGet(int row, int column) Gets an element in the matrix in an unsafe fashion, without performing bound checks The result is undefined if the row and column are out of bounds.
void	unsafeSet(int row, int column, double value) Sets an element value in the matrix in an unsafe fashion, without performing bound checks The result is undefined if the row and column are out of bounds.

Methods inherited from class mikera.matrixx.AMatrix

abs, add, add, add, add, add, addAt, addMultiple, addRowMultiple, applyOp, applyOp, asDoubleArray, asElementList, asVector, bandIndex, bandLength, bandLength, bandPosition, broadcast, broadcastCloneLike, broadcastLike, broadcastLike, calculateElement, calculateElement, clamp, clone, cloneRow, compose, compose, composeWith, composeWith, copyColumnTo, copyOfMatrix, copyOfTranslationVector, copyRowTo, copyTo, determinant, dimensionality, divide, divide, elementCount, elementDiv, elementIterator, elementMul, elementSquaredSum, elementSum, ensureMutable, epsilonEquals, epsilonEquals, epsilonEquals, equals, equals, equals, equals, exp, fill, get, get, get, getBand, getBandWrapped, getElements, getLeadingDiagonal, getLongShape, getMatrixComponent, getShape, getShape, getSlices, getSliceViews, getTranspose, getTransposeCopy, getTransposeView, hashCode, hasOrthonormalColumns, hassOrthonormalRows, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, inputDimensions, inverse, isBoolean, isDiagonal, isElementConstrained, isFullyMutable, isHermitian, isIdentity, isInvertible, isLowerTriangular, isMutable, isOrthogonal, isPositiveDefinite, isRectangularDiagonal, isSameShape, isSameShape, isSquare, isSymmetric, isUpperTriangular, isView, iterator, log, lowerBandwidth, lowerBandwidthLimit, mul, multiply, multiply, multiplyRow, negate, nonZeroCount, outerProduct, outputDimensions, pow, reciprocal, reshape, reshape, scale, scaleAdd, set, set, set, set, set, set, setColumn, setElements, setElements, setRow, signum, slice, slice, sliceCount, sqrt, square, sub, sub, sub, sub, sub, subMatrix, swapColumns, swapRows, toAffineTransform, toArray, toDoubleArray, toDoubleBuffer, toMatrix, toMatrixTranspose, toMutableMatrix, toString, toVector, trace, transform, transform, transform, transform, transformInPlace, transformInPlace, transposeInnerProduct, transposeInnerProduct, transposeInPlace, upperBandwidth, upperBandwidthLimit, validate

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

Methods inherited from class java.lang.Object

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

Constructor Detail

PermutedMatrix

public PermutedMatrix(AMatrix source,
              Index rowPermutations)

PermutedMatrix

public PermutedMatrix(AMatrix source,
              Index rowPermutations,
              Index columnPermutations)

Method Detail

isZero

public boolean isZero()

Description copied from class: AMatrix

Returns true if the matrix is the zero matrix (all components zero)

Specified by:

isZero in interface INDArray

Overrides:

isZero 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

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

Returns:

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

unsafeGet

public double unsafeGet(int row,
               int column)

Description copied from class: AMatrix

Gets an element in the matrix in an unsafe fashion, without performing bound checks The result is undefined if the row and column are out of bounds.

Overrides:

unsafeGet in class AMatrix

Returns:

unsafeSet

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

Description copied from class: AMatrix

Sets an element value in the matrix in an unsafe fashion, without performing bound checks The result is undefined if the row and column are out of bounds.

Overrides:

unsafeSet in class AMatrix

getRow

public AVector getRow(int row)

Returns a row of the permuted matrix as a vector reference

Overrides:

getRow in class AMatrix

getColumn

public AVector getColumn(int column)

Returns a column of the permuted matrix as a vector reference

Overrides:

getColumn in class AMatrix

exactClone

public PermutedMatrix 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: