Package org.flag4j.linalg.decompositions

Class DecompositionFactory

java.lang.Object

org.flag4j.linalg.decompositions.DecompositionFactory

public class DecompositionFactory
extends Object

A factory class for creating decomposers to perform various matrix decompositions.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DecompositionFactory()

Method Summary

Modifier and Type	Method	Description
static Cholesky<CMatrix>	createComplexChol()	Constructs a decomposer to compute the Cholesky decomposition of a complex dense matrix.
static ComplexQR	createComplexHess()	Constructs a decomposer to compute the Hessenburg decomposition of a complex dense matrix.
static LU<CMatrix>	createComplexLU()	Constructs a decomposer to compute the LU decomposition of a complex dense matrix.
static ComplexQR	createComplexQR()	Constructs a decomposer to compute the QR decomposition of a complex dense matrix.
static ComplexQR	createComplexSchur()	Constructs a decomposer to compute the Schur decomposition of a complex dense matrix.
static ComplexSVD	createComplexSVD()	Constructs a decomposer to compute the singular value decomposition of a complex dense matrix.
static Cholesky<Matrix>	createRealChol()	Constructs a decomposer to compute the Cholesky decomposition of a real dense matrix.
static RealHess	createRealHess()	Constructs a decomposer to compute the Hessenburg decomposition of a real dense matrix.
static LU<Matrix>	createRealLU()	Constructs a decomposer to compute the LU decomposition of a real dense matrix.
static RealQR	createRealQR()	Constructs a decomposer to compute the QR decomposition of a real dense matrix.
static RealSchur	createRealSchur()	Constructs a decomposer to compute the Schur decomposition of a real dense matrix.
static RealSVD	createRealSVD()	Constructs a decomposer to compute the singular value decomposition of a real dense matrix.

Methods inherited from class java.lang.Object

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

Constructor Details

DecompositionFactory

private DecompositionFactory()

Method Details

createRealLU

public static LU<Matrix> createRealLU()

Constructs a decomposer to compute the LU decomposition of a real dense matrix.

Returns:

A decomposer to compute the LU decomposition of a real dense matrix.

createComplexLU

public static LU<CMatrix> createComplexLU()

Constructs a decomposer to compute the LU decomposition of a complex dense matrix.

Returns:

A decomposer to compute the LU decomposition of a complex dense matrix.

createRealChol

public static Cholesky<Matrix> createRealChol()

Constructs a decomposer to compute the Cholesky decomposition of a real dense matrix.

Returns:

A decomposer to compute the Cholesky decomposition of a real dense matrix.

createComplexChol

public static Cholesky<CMatrix> createComplexChol()

Constructs a decomposer to compute the Cholesky decomposition of a complex dense matrix.

Returns:

A decomposer to compute the Cholesky decomposition of a complex dense matrix.

createRealQR

public static RealQR createRealQR()

Constructs a decomposer to compute the QR decomposition of a real dense matrix.

Returns:

A decomposer to compute the QR decomposition of a real dense matrix.

createComplexQR

public static ComplexQR createComplexQR()

Constructs a decomposer to compute the QR decomposition of a complex dense matrix.

Returns:

A decomposer to compute the QR decomposition of a complex dense matrix.

createRealHess

public static RealHess createRealHess()

Constructs a decomposer to compute the Hessenburg decomposition of a real dense matrix.

Returns:

A decomposer to compute the Hessenburg decomposition of a real dense matrix.

createComplexHess

public static ComplexQR createComplexHess()

Constructs a decomposer to compute the Hessenburg decomposition of a complex dense matrix.

Returns:

A decomposer to compute the Hessenburg decomposition of a complex dense matrix.

createRealSchur

public static RealSchur createRealSchur()

Constructs a decomposer to compute the Schur decomposition of a real dense matrix.

Returns:

A decomposer to compute the Schur decomposition of a real dense matrix.

createComplexSchur

public static ComplexQR createComplexSchur()

Constructs a decomposer to compute the Schur decomposition of a complex dense matrix.

Returns:

A decomposer to compute the Schur decomposition of a complex dense matrix.

createRealSVD

public static RealSVD createRealSVD()

Constructs a decomposer to compute the singular value decomposition of a real dense matrix.

Returns:

A decomposer to compute the singular value decomposition of a real dense matrix.

createComplexSVD

public static ComplexSVD createComplexSVD()

Constructs a decomposer to compute the singular value decomposition of a complex dense matrix.

Returns:

A decomposer to compute the singular value decomposition of a complex dense matrix.