Package org.ejml.sparse.csc.decomposition.chol

Class CholeskyUpLooking_DSCC

java.lang.Object

org.ejml.sparse.csc.decomposition.chol.CholeskyUpLooking_DSCC

All Implemented Interfaces:

org.ejml.interfaces.decomposition.CholeskyDecomposition<org.ejml.data.DMatrixSparseCSC>, org.ejml.interfaces.decomposition.CholeskySparseDecomposition<org.ejml.data.DMatrixSparseCSC>, org.ejml.interfaces.decomposition.CholeskySparseDecomposition_F64<org.ejml.data.DMatrixSparseCSC>, org.ejml.interfaces.decomposition.DecompositionInterface<org.ejml.data.DMatrixSparseCSC>, org.ejml.interfaces.decomposition.DecompositionSparseInterface<org.ejml.data.DMatrixSparseCSC>

public class CholeskyUpLooking_DSCC
extends Object
implements org.ejml.interfaces.decomposition.CholeskySparseDecomposition_F64<org.ejml.data.DMatrixSparseCSC>

Performs a Cholesky decomposition using an up looking algorthm on a DMatrixSparseCSC.

See page 59 in "Direct Methods for Sparse Linear Systems" by Tomothy A. Davis

Constructor Summary

Constructors

Constructor	Description
CholeskyUpLooking_DSCC()

Method Summary

Modifier and Type	Method	Description
org.ejml.data.Complex_F64	computeDeterminant()
boolean	decompose(org.ejml.data.DMatrixSparseCSC orig)
org.ejml.data.IGrowArray	getGw()
org.ejml.data.DGrowArray	getGx()
org.ejml.data.DMatrixSparseCSC	getL()
org.ejml.data.DMatrixSparseCSC	getT(@Nullable org.ejml.data.DMatrixSparseCSC T)
boolean	inputModified()
boolean	isLower()
boolean	isStructureLocked()
void	performSymbolic(org.ejml.data.DMatrixSparseCSC A)
void	setStructureLocked(boolean locked)

Methods inherited from class java.lang.Object

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

Constructor Details

CholeskyUpLooking_DSCC

public CholeskyUpLooking_DSCC()

Method Details

decompose

public boolean decompose(org.ejml.data.DMatrixSparseCSC orig)

Specified by:

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

performSymbolic

public void performSymbolic(org.ejml.data.DMatrixSparseCSC A)

inputModified

public boolean inputModified()

Specified by:

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

isLower

public boolean isLower()

Specified by:

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

getT

public org.ejml.data.DMatrixSparseCSC getT(@Nullable
@Nullable org.ejml.data.DMatrixSparseCSC T)

Specified by:

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

computeDeterminant

public org.ejml.data.Complex_F64 computeDeterminant()

Specified by:

computeDeterminant in interface org.ejml.interfaces.decomposition.CholeskySparseDecomposition_F64<org.ejml.data.DMatrixSparseCSC>

getGx

public org.ejml.data.DGrowArray getGx()

getL

public org.ejml.data.DMatrixSparseCSC getL()

getGw

public org.ejml.data.IGrowArray getGw()

setStructureLocked

public void setStructureLocked(boolean locked)

Specified by:

setStructureLocked in interface org.ejml.interfaces.decomposition.DecompositionSparseInterface<org.ejml.data.DMatrixSparseCSC>

isStructureLocked

public boolean isStructureLocked()

Specified by:

isStructureLocked in interface org.ejml.interfaces.decomposition.DecompositionSparseInterface<org.ejml.data.DMatrixSparseCSC>