Module ojalgo

Package org.ojalgo.matrix.decomposition

Class AbstractDecomposition<N extends 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

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

Nested Class Summary

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

MatrixDecomposition.Determinant<N extends Comparable<N>>, MatrixDecomposition.EconomySize<N extends Comparable<N>>, MatrixDecomposition.Factory<D extends MatrixDecomposition<?>>, MatrixDecomposition.Hermitian<N extends Comparable<N>>, MatrixDecomposition.Ordered<N extends Comparable<N>>, MatrixDecomposition.Pivoting<N extends Comparable<N>>, MatrixDecomposition.RankRevealing<N extends Comparable<N>>, MatrixDecomposition.Solver<N extends Comparable<N>>, MatrixDecomposition.Updatable<N extends Comparable<N>>, MatrixDecomposition.Values<N extends 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 final PhysicalStore.Factory<N,? extends M>	myFactory
private 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) final AggregatorSet<N>	aggregator()
(package private) final void	applyPivotOrder(Pivot pivot, PhysicalStore<N> matrix)
(package private) final void	applyReverseOrder(Pivot pivot, PhysicalStore<N> matrix)
protected boolean	checkSolvability()
(package private) final MatrixStore<N>	collect(Access2D.Collectable<N,? super M> source)
(package private) final boolean	computed(boolean computed)
(package private) final FunctionSet<N>	function()
(package private) final double	getDimensionalEpsilon()
(package private) final boolean	isAspectRatioNormal()
final boolean	isComputed()
protected boolean	isSolvable()
(package private) final BasicArray<N>	makeArray(int length)
(package private) final <D extends Access1D<?>> DiagonalStore.Builder<N,D>	makeDiagonal(D mainDiag)
(package private) final M	makeEye(int numberOfRows, int numberOfColumns)
(package private) final Householder<N>	makeHouseholder(int dimension)
(package private) final MatrixStore<N>	makeIdentity(int dimension)
(package private) final Rotation<N>	makeRotation(int low, int high, double cos, double sin)
(package private) final Rotation<N>	makeRotation(int low, int high, N cos, N sin)
(package private) final M	makeZero(int nbRows, int nbCols)
(package private) final M	makeZero(Structure2D shape)
void	reset()	Delete computed results, and resets attributes to default values
(package private) final Scalar.Factory<N>	scalar()
(package private) final 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 Details

myComputed

private boolean myComputed

myFactory

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

mySolvable

private Boolean mySolvable

Constructor Details

AbstractDecomposition

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

Method Details

isComputed

public final boolean isComputed()

Specified by:

isComputed in interface MatrixDecomposition<N extends 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 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)

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)