org.ejml.dense.block.decomposition.chol

Class CholeskyOuterForm_FDRB

java.lang.Object

org.ejml.dense.block.decomposition.chol.CholeskyOuterForm_FDRB

All Implemented Interfaces:

org.ejml.interfaces.decomposition.CholeskyDecomposition<org.ejml.data.FMatrixRBlock>, org.ejml.interfaces.decomposition.CholeskyDecomposition_F32<org.ejml.data.FMatrixRBlock>, org.ejml.interfaces.decomposition.DecompositionInterface<org.ejml.data.FMatrixRBlock>

public class CholeskyOuterForm_FDRB
extends java.lang.Object
implements org.ejml.interfaces.decomposition.CholeskyDecomposition_F32<org.ejml.data.FMatrixRBlock>

Block Cholesky using outer product form. The original matrix is stored and modified.

Based on the description provided in "Fundamentals of Matrix Computations" 2nd Ed. by David S. Watkins.

Constructor Summary

Constructors

Constructor and Description
CholeskyOuterForm_FDRB(boolean lower) Creates a new BlockCholeskyOuterForm

Method Summary

Modifier and Type	Method and Description
org.ejml.data.Complex_F32	computeDeterminant()
boolean	decompose(org.ejml.data.FMatrixRBlock A) Decomposes the provided matrix and stores the result in the same matrix.
org.ejml.data.FMatrixRBlock	getT(org.ejml.data.FMatrixRBlock T)
boolean	inputModified()
boolean	isLower()

Methods inherited from class java.lang.Object

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

Constructor Detail

CholeskyOuterForm_FDRB

public CholeskyOuterForm_FDRB(boolean lower)

Creates a new BlockCholeskyOuterForm

Parameters:

lower - Should it decompose it into a lower triangular matrix or not.

Method Detail

decompose

public boolean decompose(org.ejml.data.FMatrixRBlock A)

Decomposes the provided matrix and stores the result in the same matrix.

Specified by:

decompose in interface org.ejml.interfaces.decomposition.DecompositionInterface<org.ejml.data.FMatrixRBlock>

Parameters:

A - Matrix that is to be decomposed. Modified.

Returns:

If it succeeded or not.

isLower

public boolean isLower()

Specified by:

isLower in interface org.ejml.interfaces.decomposition.CholeskyDecomposition<org.ejml.data.FMatrixRBlock>

getT

public org.ejml.data.FMatrixRBlock getT(org.ejml.data.FMatrixRBlock T)

Specified by:

getT in interface org.ejml.interfaces.decomposition.CholeskyDecomposition<org.ejml.data.FMatrixRBlock>

computeDeterminant

public org.ejml.data.Complex_F32 computeDeterminant()

Specified by:

computeDeterminant in interface org.ejml.interfaces.decomposition.CholeskyDecomposition_F32<org.ejml.data.FMatrixRBlock>

inputModified

public boolean inputModified()

Specified by:

inputModified in interface org.ejml.interfaces.decomposition.DecompositionInterface<org.ejml.data.FMatrixRBlock>