mikera.matrixx.impl

Class AStridedMatrix

java.lang.Object

mikera.transformz.ATransform

mikera.transformz.AAffineTransform

mikera.transformz.ALinearTransform

mikera.matrixx.AMatrix

mikera.matrixx.impl.AArrayMatrix

mikera.matrixx.impl.AStridedMatrix

All Implemented Interfaces:

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

Direct Known Subclasses:

ADenseArrayMatrix, StridedMatrix

public abstract class AStridedMatrix
extends AArrayMatrix
implements IStridedArray

Field Summary

Fields inherited from class mikera.matrixx.impl.AArrayMatrix

cols, data, rows

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AStridedMatrix(double[] data, int rows, int cols)

Method Summary

Methods

Modifier and Type	Method and Description
double[]	asDoubleArray() Returns the underlying double array representing the packed elements of this array Returns nil if there is no such underlying array
abstract int	columnStride()
void	copyColumnTo(int col, double[] dest, int destOffset)
void	copyRowTo(int row, double[] dest, int destOffset)
abstract int	getArrayOffset()
AStridedVector	getColumn(int i) Returns a column of the matrix as a vector view
AStridedVector	getRow(int i) Returns a row of the matrix as a vector view
int	getStride(int dimension)
int[]	getStrides()
AMatrix	getTransposeView() Returns a transposed view of the array.
boolean	isPackedArray() Returns true if the data array is fully packed by this matrix in row-major order
abstract int	rowStride()
AStridedMatrix	subMatrix(int rowStart, int rows, int colStart, int cols)

Methods inherited from class mikera.matrixx.impl.AArrayMatrix

columnCount, get, getArray, index, rowCount, set, unsafeGet, unsafeSet

Methods inherited from class mikera.matrixx.AMatrix

abs, add, add, add, add, add, addAt, addMultiple, addRowMultiple, applyOp, applyOp, asElementList, asVector, bandIndex, bandLength, bandLength, bandPosition, broadcast, broadcastCloneLike, broadcastLike, broadcastLike, calculateElement, calculateElement, clamp, clone, cloneRow, compose, compose, composeWith, composeWith, copyOfMatrix, copyOfTranslationVector, copyTo, determinant, dimensionality, divide, divide, elementCount, elementDiv, elementIterator, elementMul, elementSquaredSum, elementSum, ensureMutable, epsilonEquals, epsilonEquals, epsilonEquals, equals, equals, equals, equals, exactClone, exp, fill, get, get, get, getBand, getBandWrapped, getElements, getLeadingDiagonal, getLongShape, getMatrixComponent, getShape, getShape, getSlices, getSliceViews, getTranspose, getTransposeCopy, 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, isZero, 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, 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

Methods inherited from interface mikera.arrayz.impl.IStridedArray

getArray, getShape

Methods inherited from interface mikera.arrayz.INDArray

abs, add, add, applyOp, applyOp, asElementList, asVector, broadcast, broadcastCloneLike, broadcastLike, clamp, clone, copyTo, dimensionality, divide, divide, elementCount, elementIterator, elementSquaredSum, elementSum, ensureMutable, epsilonEquals, epsilonEquals, equals, exactClone, exp, fill, get, get, get, get, getElements, getLongShape, getShape, getSlices, getSliceViews, getTranspose, getTransposeCopy, innerProduct, isBoolean, isElementConstrained, isFullyMutable, isMutable, isSameShape, isView, isZero, log, multiply, multiply, negate, nonZeroCount, outerProduct, pow, reciprocal, reshape, scale, scaleAdd, set, set, set, set, set, set, setElements, setElements, signum, slice, slice, sliceCount, sqrt, square, sub, sub, toArray, toDoubleArray, toDoubleBuffer, toVector, validate

Constructor Detail

AStridedMatrix

protected AStridedMatrix(double[] data,
              int rows,
              int cols)

Method Detail

getArrayOffset

public abstract int getArrayOffset()

Specified by:

getArrayOffset in interface IStridedArray

rowStride

public abstract int rowStride()

columnStride

public abstract int columnStride()

subMatrix

public AStridedMatrix subMatrix(int rowStart,
                       int rows,
                       int colStart,
                       int cols)

Overrides:

subMatrix in class AMatrix

getRow

public AStridedVector getRow(int i)

Description copied from class: AMatrix

Returns a row of the matrix as a vector view

Overrides:

getRow in class AMatrix

getColumn

public AStridedVector getColumn(int i)

Description copied from class: AMatrix

Returns a column of the matrix as a vector view

Overrides:

getColumn in class AMatrix

copyRowTo

public void copyRowTo(int row,
             double[] dest,
             int destOffset)

Overrides:

copyRowTo in class AMatrix

copyColumnTo

public void copyColumnTo(int col,
                double[] dest,
                int destOffset)

Overrides:

copyColumnTo in class AMatrix

getStrides

public int[] getStrides()

Specified by:

getStrides in interface IStridedArray

getStride

public int getStride(int dimension)

Specified by:

getStride in interface IStridedArray

getTransposeView

public AMatrix getTransposeView()

Description copied from interface: INDArray

Returns a transposed view of the array. May throw UnsupportedOperationException if the array does not support this capability

Specified by:

getTransposeView in interface INDArray

Overrides:

getTransposeView in class AMatrix

Returns:

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 interface IStridedArray

Specified by:

isPackedArray in class AArrayMatrix

asDoubleArray

public double[] asDoubleArray()

Description copied from interface: INDArray

Returns the underlying double array representing the packed elements of this array Returns nil if there is no such underlying array

Specified by:

asDoubleArray in interface INDArray

Overrides:

asDoubleArray in class AMatrix