mikera.matrixx.impl

Class StridedMatrix

java.lang.Object

mikera.transformz.ATransform

mikera.transformz.AAffineTransform

mikera.transformz.ALinearTransform

mikera.matrixx.AMatrix

mikera.matrixx.impl.AArrayMatrix

mikera.matrixx.impl.AStridedMatrix

mikera.matrixx.impl.StridedMatrix

All Implemented Interfaces:

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

public final class StridedMatrix
extends AStridedMatrix

Field Summary

Fields inherited from class mikera.matrixx.impl.AArrayMatrix

cols, data, rows

Method Summary

Methods

Modifier and Type	Method and Description
void	applyOp(Op op) Applies a unary operator to all elements of the array (in-place)
AVector	asVector() Returns the matrix values as a single reference Vector in the form [row0 row1 row2....]
Matrix	clone() Clones the transform, performing a deep copy where needed
int	columnStride()
static StridedMatrix	create(AMatrix m)
static StridedMatrix	create(int rowCount, int columnCount)
AMatrix	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	getArrayOffset()
AVector	getColumn(int i) Returns a column of the matrix as a vector view
void	getElements(double[] dest, int destOffset) Gets all elements of the array, copying them into a double array
AVector	getRow(int i) Returns a row of the matrix as a vector view
StridedMatrix	getTranspose() Returns a transposed version of this matrix.
protected int	index(int row, int col) Computes the index into the data array for a given position in the matrix
boolean	isPackedArray() Returns true if the data array is fully packed by this matrix in row-major order
int	rowStride()
void	set(int row, int column, double value) Sets a specified element in the matrix
AStridedMatrix	subMatrix(int rowStart, int rowCount, int colStart, int colCount)
double	unsafeGet(int row, int column)
void	unsafeSet(int row, int column, double value)
void	validate() Validates the internal data structure of the INDArray.
static StridedMatrix	wrap(double[] data, int rows, int columns, int offset, int rowStride, int columnStride)
static StridedMatrix	wrap(Matrix m)

Methods inherited from class mikera.matrixx.impl.AStridedMatrix

getStride, getStrides

Methods inherited from class mikera.matrixx.impl.AArrayMatrix

columnCount, getArray, rowCount

Methods inherited from class mikera.matrixx.AMatrix

abs, add, add, add, add, addAt, addMultiple, addRowMultiple, applyOp, asElementList, broadcast, calculateElement, calculateElement, clamp, cloneRow, compose, compose, composeWith, composeWith, copyOfMatrix, copyOfTranslationVector, copyTo, determinant, dimensionality, elementCount, elementIterator, elementMul, elementSquaredSum, elementSum, ensureMutable, epsilonEquals, epsilonEquals, epsilonEquals, equals, equals, equals, equals, exp, fill, get, get, get, getLeadingDiagonal, getLongShape, getMatrixComponent, getShape, getShape, getSlices, getSliceViews, getTransposeView, hashCode, hasOrthonormalColumns, hassOrthonormalRows, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, inputDimensions, inverse, isBoolean, isDiagonal, isElementConstrained, isFullyMutable, isHermitian, isIdentity, isInvertible, isLowerTriangular, isMutable, isOrthogonal, isPositiveDefinite, isRectangularDiagonal, isSquare, isSymmetric, isUpperTriangular, isView, isZeroMatrix, iterator, log, 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, swapColumns, swapRows, toAffineTransform, toArray, toDoubleArray, toDoubleBuffer, toMatrix, toMutableMatrix, toString, toVector, trace, transform, transformInPlace, 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

Methods inherited from interface mikera.arrayz.impl.IStridedArray

getArray, getShape

Methods inherited from interface mikera.arrayz.INDArray

abs, add, add, applyOp, asElementList, broadcast, clamp, copyTo, dimensionality, elementCount, elementIterator, elementSquaredSum, elementSum, ensureMutable, epsilonEquals, epsilonEquals, equals, exp, fill, get, get, get, getLongShape, getShape, getSlices, getSliceViews, getTransposeView, innerProduct, isBoolean, isElementConstrained, isFullyMutable, isMutable, isView, log, multiply, multiply, negate, nonZeroCount, outerProduct, pow, reciprocal, reshape, scale, scaleAdd, set, set, set, set, set, setElements, setElements, signum, slice, slice, sliceCount, sqrt, square, sub, sub, toArray, toDoubleArray, toDoubleBuffer, toVector

Method Detail

create

public static StridedMatrix create(int rowCount,
                   int columnCount)

getRow

public AVector getRow(int i)

Description copied from class: AMatrix

Returns a row of the matrix as a vector view

Overrides:

getRow in class AStridedMatrix

getColumn

public AVector getColumn(int i)

Description copied from class: AMatrix

Returns a column of the matrix as a vector view

Overrides:

getColumn in class AStridedMatrix

rowStride

public int rowStride()

Specified by:

rowStride in class AStridedMatrix

columnStride

public int columnStride()

Specified by:

columnStride in class AStridedMatrix

getArrayOffset

public int getArrayOffset()

Specified by:

getArrayOffset in interface IStridedArray

Specified by:

getArrayOffset in class AStridedMatrix

isPackedArray

public boolean isPackedArray()

Description copied from class: AArrayMatrix

Returns true if the data array is fully packed by this matrix in row-major order

Specified by:

isPackedArray in class AArrayMatrix

Returns:

subMatrix

public AStridedMatrix subMatrix(int rowStart,
                       int rowCount,
                       int colStart,
                       int colCount)

Overrides:

subMatrix in class AStridedMatrix

applyOp

public void applyOp(Op op)

Description copied from interface: INDArray

Applies a unary operator to all elements of the array (in-place)

Specified by:

applyOp in interface INDArray

Overrides:

applyOp in class AMatrix

getElements

public void getElements(double[] dest,
               int destOffset)

Description copied from interface: INDArray

Gets all elements of the array, copying them into a double array

Specified by:

getElements in interface INDArray

Overrides:

getElements in class AMatrix

getTranspose

public StridedMatrix getTranspose()

Description copied from class: AMatrix

Returns a transposed version of this matrix. May or may not be a view.

Specified by:

getTranspose in interface INDArray

Overrides:

getTranspose in class AMatrix

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

Overrides:

get in class AArrayMatrix

Returns:

unsafeGet

public double unsafeGet(int row,
               int column)

Overrides:

unsafeGet in class AArrayMatrix

asVector

public AVector asVector()

Description copied from class: AMatrix

Returns the matrix values as a single reference Vector in the form [row0 row1 row2....]

Specified by:

asVector in interface INDArray

Overrides:

asVector 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

Overrides:

set in class AArrayMatrix

unsafeSet

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

Overrides:

unsafeSet in class AArrayMatrix

exactClone

public AMatrix 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:

create

public static StridedMatrix create(AMatrix m)

wrap

public static StridedMatrix wrap(Matrix m)

wrap

public static StridedMatrix wrap(double[] data,
                 int rows,
                 int columns,
                 int offset,
                 int rowStride,
                 int columnStride)

validate

public void validate()

Description copied from interface: INDArray

Validates the internal data structure of the INDArray. Throws an exception on failure. Failure indicates a serious bug and/or data corruption.

Specified by:

validate in interface INDArray

Overrides:

validate in class AMatrix

index

protected final int index(int row,
        int col)

Description copied from class: AArrayMatrix

Computes the index into the data array for a given position in the matrix

Specified by:

index in class AArrayMatrix

Returns:

clone

public Matrix clone()

Description copied from class: ATransform

Clones the transform, performing a deep copy where needed

Specified by:

clone in interface INDArray

Overrides:

clone in class AMatrix

Returns: