Module ojalgo

Package org.ojalgo.matrix.decomposition

Class AbstractDecomposition<N extends java.lang.Comparable<N>,M extends PhysicalStore<N>>

java.lang.Object

org.ojalgo.matrix.decomposition.AbstractDecomposition<N,M>

All Implemented Interfaces:

MatrixDecomposition<N>, Structure1D, Structure2D

Direct Known Subclasses:

DenseEigenvalue, DenseSingularValue, InPlaceDecomposition, RawDecomposition, SparseLU, SparseQDLDL

abstract class AbstractDecomposition<N extends java.lang.Comparable<N>,M extends PhysicalStore<N>>
extends java.lang.Object
implements MatrixDecomposition<N>

Nested Class Summary

Nested classes/interfaces inherited from interface org.ojalgo.matrix.decomposition.MatrixDecomposition

MatrixDecomposition.Determinant<N extends java.lang.Comparable<N>>, MatrixDecomposition.EconomySize<N extends java.lang.Comparable<N>>, MatrixDecomposition.Factory<D extends MatrixDecomposition<?>>, MatrixDecomposition.Hermitian<N extends java.lang.Comparable<N>>, MatrixDecomposition.Ordered<N extends java.lang.Comparable<N>>, MatrixDecomposition.Pivoting<N extends java.lang.Comparable<N>>, MatrixDecomposition.RankRevealing<N extends java.lang.Comparable<N>>, MatrixDecomposition.Solver<N extends java.lang.Comparable<N>>, MatrixDecomposition.Updatable<N extends java.lang.Comparable<N>>, MatrixDecomposition.Values<N extends java.lang.Comparable<N>>

Nested classes/interfaces inherited from interface org.ojalgo.structure.Structure1D

Structure1D.BasicMapper<T>, Structure1D.IndexMapper<T>, Structure1D.IntIndex, Structure1D.LongIndex, Structure1D.LoopCallback

Nested classes/interfaces inherited from interface org.ojalgo.structure.Structure2D

Structure2D.IntRowColumn, Structure2D.Logical<S extends Structure2D,B extends Structure2D.Logical<S,B>>, Structure2D.LongRowColumn, Structure2D.ReducibleTo1D<R extends Structure1D>, Structure2D.Reshapable, Structure2D.RowColumnKey<R,C>, Structure2D.RowColumnMapper<R,C>

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	myComputed
private PhysicalStore.Factory<N,? extends M>	myFactory
private java.lang.Boolean	mySolvable

Fields inherited from interface org.ojalgo.matrix.decomposition.MatrixDecomposition

TYPICAL

Constructor Summary

Constructors

Constructor	Description
AbstractDecomposition(PhysicalStore.Factory<N,? extends M> factory)

Method Summary

Modifier and Type	Method	Description
(package private) AggregatorSet<N>	aggregator()
(package private) void	applyPivotOrder(Pivot pivot, PhysicalStore<N> matrix)
(package private) void	applyReverseOrder(Pivot pivot, PhysicalStore<N> matrix)
protected boolean	checkSolvability()
(package private) MatrixStore<N>	collect(Access2D.Collectable<N,? super M> source)
(package private) boolean	computed(boolean computed)
(package private) M	copyColumn(double[] column)
(package private) M	copyRow(double[] row)
(package private) FunctionSet<N>	function()
(package private) double	getDimensionalEpsilon()
(package private) boolean	isAspectRatioNormal()
boolean	isComputed()
protected boolean	isSolvable()
(package private) BasicArray<N>	makeArray(int length)
(package private) <D extends Access1D<?>> DiagonalStore.Builder<N,D>	makeDiagonal(D mainDiag)
(package private) M	makeEye(int numberOfRows, int numberOfColumns)
(package private) Householder<N>	makeHouseholder(int dimension)
(package private) MatrixStore<N>	makeIdentity(int dimension)
(package private) Rotation<N>	makeRotation(int low, int high, double cos, double sin)
(package private) Rotation<N>	makeRotation(int low, int high, N cos, N sin)
(package private) M	makeZero(int nbRows, int nbCols)
(package private) M	makeZero(Structure2D shape)
void	reset()	Delete computed results, and resets attributes to default values
(package private) Scalar.Factory<N>	scalar()
(package private) MatrixStore<N>	wrap(Access2D<?> source)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.ojalgo.matrix.decomposition.MatrixDecomposition

decompose, reconstruct

Methods inherited from interface org.ojalgo.structure.Structure2D

count, countColumns, countRows, firstInColumn, firstInRow, getColDim, getMaxDim, getMinDim, getRowDim, isEmpty, isFat, isScalar, isSquare, isTall, isVector, limitOfColumn, limitOfRow, size

Field Detail

myComputed

private boolean myComputed

myFactory

private final PhysicalStore.Factory<N extends java.lang.Comparable<N>,? extends M extends PhysicalStore<N>> myFactory

mySolvable

private java.lang.Boolean mySolvable

Constructor Detail

AbstractDecomposition

AbstractDecomposition(PhysicalStore.Factory<N,? extends M> factory)

Method Detail

isComputed

public final boolean isComputed()

Specified by:

isComputed in interface MatrixDecomposition<N extends java.lang.Comparable<N>>

Returns:

true if decomposition has been attemped and was successful; false if not.

See Also:

MatrixDecomposition.decompose(Access2D.Collectable)

reset

public void reset()

Description copied from interface: MatrixDecomposition

Delete computed results, and resets attributes to default values

Specified by:

reset in interface MatrixDecomposition<N extends java.lang.Comparable<N>>

checkSolvability

protected boolean checkSolvability()

isSolvable

protected boolean isSolvable()

aggregator

final AggregatorSet<N> aggregator()

applyPivotOrder

final void applyPivotOrder(Pivot pivot,
                           PhysicalStore<N> matrix)

applyReverseOrder

final void applyReverseOrder(Pivot pivot,
                             PhysicalStore<N> matrix)

collect

final MatrixStore<N> collect(Access2D.Collectable<N,? super M> source)

computed

final boolean computed(boolean computed)

copyColumn

final M copyColumn(double[] column)

copyRow

final M copyRow(double[] row)

function

final FunctionSet<N> function()

getDimensionalEpsilon

final double getDimensionalEpsilon()

isAspectRatioNormal

final boolean isAspectRatioNormal()

makeArray

final BasicArray<N> makeArray(int length)

makeDiagonal

final <D extends Access1D<?>> DiagonalStore.Builder<N,D> makeDiagonal(D mainDiag)

makeEye

final M makeEye(int numberOfRows,
                int numberOfColumns)

makeHouseholder

final Householder<N> makeHouseholder(int dimension)

makeIdentity

final MatrixStore<N> makeIdentity(int dimension)

makeRotation

final Rotation<N> makeRotation(int low,
                               int high,
                               double cos,
                               double sin)

makeRotation

final Rotation<N> makeRotation(int low,
                               int high,
                               N cos,
                               N sin)

makeZero

final M makeZero(int nbRows,
                 int nbCols)

makeZero

final M makeZero(Structure2D shape)

scalar

final Scalar.Factory<N> scalar()

wrap

final MatrixStore<N> wrap(Access2D<?> source)