mikera.matrixx

Class Matrix11

java.lang.Object

mikera.transformz.ATransform

mikera.transformz.AAffineTransform

mikera.transformz.ALinearTransform

mikera.matrixx.AMatrix

mikera.matrixx.Matrix11

All Implemented Interfaces:

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

public final class Matrix11
extends AMatrix

Optimised 1x1 matrix implementation

Author:

Mike

Constructor Summary

Constructors

Constructor and Description
Matrix11()
Matrix11(double value)

Method Summary

Methods

Modifier and Type	Method and Description
void	addAt(int i, int j, double value)
int	columnCount() Returns the number of columns in the matrix
void	copyColumnTo(int col, double[] dest, int destOffset)
void	copyRowTo(int row, double[] dest, int destOffset)
double	determinant() Calculates the determinant of the matrix.
long	elementCount() Returns the total number of elements in this array.
double	elementSquaredSum() Returns the squared sum of all elements in the matrix
double	elementSum() Returns the sum of all elements in the matrix
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
void	getElements(double[] data, int offset) Gets all elements of the array, copying them into a double array
boolean	isDiagonal() Returns true iff a matrix is a square diagonal matrix
boolean	isIdentity() Returns true if this transform is known to be the identity function, i.e.
boolean	isSquare() Returns true if the transform is square (same number of input and output dimensions)
boolean	isZero() Returns true if the matrix is the zero matrix (all components zero)
void	multiply(double factor) Multiplies all elements of the array by a given double value
long	nonZeroCount() Returns the number of non-zero elements in the array.
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	trace()
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, addMultiple, addRowMultiple, applyOp, applyOp, asDoubleArray, asElementList, asVector, bandIndex, bandLength, bandLength, bandPosition, broadcast, broadcastCloneLike, broadcastLike, broadcastLike, calculateElement, calculateElement, clamp, clone, cloneRow, compose, compose, composeWith, composeWith, copyOfMatrix, copyOfTranslationVector, copyTo, dimensionality, divide, divide, elementDiv, elementIterator, elementMul, ensureMutable, epsilonEquals, epsilonEquals, epsilonEquals, equals, equals, equals, equals, exp, fill, get, get, get, getBand, getBandWrapped, getColumn, getLeadingDiagonal, getLongShape, getMatrixComponent, getRow, getShape, getShape, getShapeClone, getSlices, getSlices, getSliceViews, getTranspose, getTransposeCopy, getTransposeView, hashCode, hasOrthonormalColumns, hassOrthonormalRows, immutable, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, inputDimensions, inverse, isBoolean, isElementConstrained, isFullyMutable, isHermitian, isInvertible, isLowerTriangular, isMutable, isOrthogonal, isPositiveDefinite, isRectangularDiagonal, isSameShape, isSameShape, isSymmetric, isUpperTriangular, isView, iterator, join, log, lowerBandwidth, lowerBandwidthLimit, mul, multiply, multiplyRow, mutable, negate, outerProduct, outputDimensions, pow, reciprocal, reshape, reshape, rotateView, scale, scaleAdd, set, set, set, set, set, set, setColumn, setElements, setElements, setRow, signum, slice, slice, sliceCount, sqrt, square, sub, sub, sub, sub, sub, subArray, subMatrix, swapColumns, swapRows, toAffineTransform, toArray, toDoubleArray, toDoubleBuffer, toMatrix, toMatrixTranspose, toMutableMatrix, toString, toVector, 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

Matrix11

public Matrix11()

Matrix11

public Matrix11(double value)

Method Detail

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

determinant

public double determinant()

Description copied from class: AMatrix

Calculates the determinant of the matrix.

Overrides:

determinant in class AMatrix

elementSum

public double elementSum()

Description copied from class: AMatrix

Returns the sum of all elements in the matrix

Specified by:

elementSum in interface INDArray

Overrides:

elementSum in class AMatrix

Returns:

elementSquaredSum

public double elementSquaredSum()

Description copied from class: AMatrix

Returns the squared sum of all elements in the matrix

Specified by:

elementSquaredSum in interface INDArray

Overrides:

elementSquaredSum in class AMatrix

Returns:

nonZeroCount

public long nonZeroCount()

Description copied from interface: INDArray

Returns the number of non-zero elements in the array.

Specified by:

nonZeroCount in interface INDArray

Overrides:

nonZeroCount in class AMatrix

Returns:

elementCount

public long elementCount()

Description copied from interface: INDArray

Returns the total number of elements in this array. Equivalent to the product all dimension sizes.

Specified by:

elementCount in interface INDArray

Overrides:

elementCount in class AMatrix

Returns:

isSquare

public boolean isSquare()

Description copied from class: ATransform

Returns true if the transform is square (same number of input and output dimensions)

Overrides:

isSquare in class AMatrix

Returns:

isDiagonal

public boolean isDiagonal()

Description copied from class: AMatrix

Returns true iff a matrix is a square diagonal matrix

Overrides:

isDiagonal in class AMatrix

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:

isIdentity

public boolean isIdentity()

Description copied from class: ATransform

Returns true if this transform is known to be the identity function, i.e. it maps all vectors to themselves

Overrides:

isIdentity in class AMatrix

trace

public double trace()

Overrides:

trace 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

addAt

public void addAt(int i,
         int j,
         double value)

Overrides:

addAt in class AMatrix

multiply

public void multiply(double factor)

Description copied from interface: INDArray

Multiplies all elements of the array by a given double value

Specified by:

multiply in interface INDArray

Overrides:

multiply 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

getElements

public void getElements(double[] data,
               int offset)

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

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

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: