mikera.vectorz.util

Class MatrixBuilder

java.lang.Object

mikera.arrayz.impl.AbstractArray<AVector>

mikera.matrixx.AMatrix

mikera.vectorz.util.MatrixBuilder

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Comparable<INDArray>, java.lang.Iterable<AVector>, INDArray, IMatrix

public class MatrixBuilder
extends AMatrix

Utility class for efficiently building matrices by appending vector rows

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MatrixBuilder()

Method Summary

Modifier and Type	Method and Description
void	append(AVector v)
void	append(double[] ds)
void	append(java.lang.Iterable<java.lang.Object> d)
void	appendRow(AVector row)
int	columnCount() Gets the number of columns in this matrix (dimension 1)
AMatrix	exactClone() Creates a deep clone of an array, using the same class implementation as the original array
double	get(int row, int column) Returns the double value at the specified position in a 2D matrix
AVector	getRowView(int row) Returns a row of the matrix as a vector view.
boolean	isFullyMutable() If this method returns true, the INDArray is guaranteed to be fully mutable in all positions i.e.
void	replaceRow(int i, AVector row) Replaces a row in a matrix, adding the row to the internal structure of the matrix.
int	rowCount() Gets the number of rows in this matrix (dimension 0)
void	set(int row, int column, double value) Sets a value at a given position in a mutable 2D array

Methods inherited from class mikera.matrixx.AMatrix

abs, add, add, add, add, add2, addAt, addCopy, addCopy, addCopy, addCopy, addCopy, addInnerProduct, addInnerProduct, addInnerProduct, addMultiple, addMultiple, addMultiple, addOuterProduct, addOuterProduct, addOuterProductSparse, addOuterProductSparse, addRowMultiple, addSparse, addSparse, addToArray, applyOp, applyOp, applyOp, applyOp, applyOp, applyOp, applyOpCopy, asDoubleArray, asElementList, asVector, bandIndex, bandLength, bandPosition, bandStartColumn, bandStartRow, broadcast, broadcastCloneLike, broadcastCopyLike, broadcastLike, broadcastLike, checkColumn, checkRow, checkSquare, clamp, clone, composeWith, copy, copyColumnTo, copyRowTo, dense, denseClone, determinant, diagonalProduct, dimensionality, divide, divide, divide, divide, divideCopy, elementCount, elementIterator, elementsEqual, elementSquaredSum, elementSum, ensureMutable, epsilonEquals, epsilonEquals, epsilonEquals, equals, equals, equals, equalsArray, equalsTranspose, exp, fill, get, get, get, get, getBand, getBandWrapped, getColumn, getColumnClone, getColumns, getColumnView, getElement, getElements, getLeadingDiagonal, getLongShape, getRow, getRowClone, getRows, getShape, getShape, getShapeClone, getSlices, getSlices, getSliceViews, getTranspose, getTransposeCopy, getTransposeView, hashCode, hasOrthonormalColumns, hasOrthonormalRows, hasUncountable, immutable, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, innerProduct, inputDimensions, inverse, isBoolean, isDiagonal, isElementConstrained, isHermitian, isIdentity, isInvertible, isLowerTriangular, isMutable, isOrthogonal, isOrthogonal, isPositiveDefinite, isRectangularDiagonal, isSameShape, isSameShape, isSquare, isSymmetric, isUpperTriangular, isView, isZero, iterator, join, log, lowerBandwidth, lowerBandwidthLimit, mul, multiply, multiply, multiply, multiply, multiplyCopy, multiplyRow, mutable, negate, nonZeroCount, outerProduct, outputDimensions, pow, rank, reciprocal, reduce, reduce, reduceSlices, reduceSlices, reorder, reorder, replaceColumn, reshape, reshape, rotateView, rowDotProduct, scaleAdd, scaleAdd, set, set, set, set, set, set, set, set, setApplyOp, setApplyOp, setColumn, setElements, setElements, setMultiple, setMultiple, setMultiple, setMultiple, setMultiple, setRow, setSparse, setSparse, signum, slice, slice, sliceCount, sparse, sparseClone, sqrt, square, sub, sub, sub, subArray, subCopy, subMatrix, swapColumns, swapRows, toAffineTransform, toDoubleArray, toDoubleBuffer, toMatrix, toMatrixTranspose, toMutableMatrix, toNestedDoubleArrays, toSliceArray, toString, toStringFull, toVector, trace, transform, transform, transformInPlace, transformInPlace, transposeInnerProduct, transposeInnerProduct, transposeInPlace, unsafeGet, unsafeSet, upperBandwidth, upperBandwidthLimit, validate

Methods inherited from class mikera.arrayz.impl.AbstractArray

absCopy, absDiff, absDiffCopy, add, addApplyOp, addAt, addCopy, addInnerProduct, addInnerProduct, addMultipleSparse, addPower, addPower, addSparse, broadcastLike, compareTo, componentCount, density, divideCopy, elementAbsPowSum, elementMax, elementMaxAbs, elementMin, elementPowSum, elementProduct, epsilonEquals, equals, equalsArray, get, get, get, get, getComponent, getComponents, getElements, getElements, getElements, isDense, isSparse, join, multiplyCopy, negateCopy, reciprocalCopy, scale, scaleCopy, setElements, setInnerProduct, setSparse, signumCopy, sliceValue, squareCopy, sub, sub, subCopy, withComponents

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface mikera.arrayz.INDArray

absCopy, absDiff, absDiffCopy, addApplyOp, addAt, addInnerProduct, addMultipleSparse, addPower, addPower, addSparse, broadcastLike, componentCount, divideCopy, elementAbsPowSum, elementMax, elementMaxAbs, elementMin, elementPowSum, elementProduct, epsilonEquals, equalsArray, get, get, get, get, getComponent, getComponents, getElements, getElements, getElements, isDense, isSparse, join, multiplyCopy, negateCopy, reciprocalCopy, scale, scaleCopy, setElements, setInnerProduct, setSparse, signumCopy, sliceValue, squareCopy, sub, subCopy, withComponents

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

MatrixBuilder

public MatrixBuilder()

Method Detail

append

public void append(java.lang.Iterable<java.lang.Object> d)

append

public void append(AVector v)

append

public void append(double[] ds)

appendRow

public void appendRow(AVector row)

replaceRow

public void replaceRow(int i,
                       AVector row)

Description copied from class: AMatrix

Replaces a row in a matrix, adding the row to the internal structure of the matrix. Will throw UnsupportedOperationException if not possible for the given matrix type.

Overrides:

replaceRow in class AMatrix

getRowView

public AVector getRowView(int row)

Description copied from interface: IMatrix

Returns a row of the matrix as a vector view. May be used to modify the original matrix.

Specified by:

getRowView in interface IMatrix

Overrides:

getRowView in class AMatrix

rowCount

public int rowCount()

Description copied from interface: IMatrix

Gets the number of rows in this matrix (dimension 0)

Returns:

columnCount

public int columnCount()

Description copied from interface: IMatrix

Gets the number of columns in this matrix (dimension 1)

Returns:

exactClone

public AMatrix exactClone()

Description copied from interface: INDArray

Creates a deep clone of an array, using the same class implementation as the original array

Specified by:

exactClone in interface INDArray

Specified by:

exactClone in class AMatrix

Returns:

A clone of the original array

get

public double get(int row,
                  int column)

Description copied from interface: INDArray

Returns the double value at the specified position in a 2D 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 interface: INDArray

Sets a value at a given position in a mutable 2D array

Specified by:

set in interface INDArray

Specified by:

set in interface IMatrix

Specified by:

set in class AMatrix

isFullyMutable

public boolean isFullyMutable()

Description copied from interface: INDArray

If this method returns true, the INDArray is guaranteed to be fully mutable in all positions i.e. every position can store any valid double value

Specified by:

isFullyMutable in interface INDArray

Specified by:

isFullyMutable in class AMatrix