org.ejml.dense.row.linsol.lu

Class LinearSolverLuKJI_FDRM

java.lang.Object

org.ejml.dense.row.linsol.LinearSolverAbstract_FDRM

org.ejml.dense.row.linsol.lu.LinearSolverLuBase_FDRM

org.ejml.dense.row.linsol.lu.LinearSolverLuKJI_FDRM

All Implemented Interfaces:

org.ejml.interfaces.linsol.LinearSolver<org.ejml.data.FMatrixRMaj,org.ejml.data.FMatrixRMaj>, org.ejml.interfaces.linsol.LinearSolverDense<org.ejml.data.FMatrixRMaj>

public class LinearSolverLuKJI_FDRM
extends LinearSolverLuBase_FDRM

To avoid cpu cache issues the order in which the arrays are traversed have been changed. There seems to be no performance benit relative to LinearSolverLu_FDRM in this approach and b and x can't be the same instance, which means it has slightly less functionality.

Field Summary

Fields inherited from class org.ejml.dense.row.linsol.lu.LinearSolverLuBase_FDRM

decomp

Fields inherited from class org.ejml.dense.row.linsol.LinearSolverAbstract_FDRM

A, numCols, numRows

Constructor Summary

Constructors

Constructor and Description
LinearSolverLuKJI_FDRM(LUDecompositionBase_FDRM decomp)

Method Summary

Modifier and Type	Method and Description
boolean	setA(org.ejml.data.FMatrixRMaj A)
void	solve(org.ejml.data.FMatrixRMaj b, org.ejml.data.FMatrixRMaj x) An other implementation of solve() that processes the matrices in a different order.

Methods inherited from class org.ejml.dense.row.linsol.lu.LinearSolverLuBase_FDRM

getDecomposition, improveSol, invert, modifiesA, modifiesB, quality

Methods inherited from class org.ejml.dense.row.linsol.LinearSolverAbstract_FDRM

_setA, getA

Methods inherited from class java.lang.Object

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

Constructor Detail

LinearSolverLuKJI_FDRM

public LinearSolverLuKJI_FDRM(LUDecompositionBase_FDRM decomp)

Method Detail

setA

public boolean setA(org.ejml.data.FMatrixRMaj A)

Specified by:

setA in interface org.ejml.interfaces.linsol.LinearSolver<org.ejml.data.FMatrixRMaj,org.ejml.data.FMatrixRMaj>

Overrides:

setA in class LinearSolverLuBase_FDRM

solve

public void solve(org.ejml.data.FMatrixRMaj b,
                  org.ejml.data.FMatrixRMaj x)

An other implementation of solve() that processes the matrices in a different order. It seems to have the same runtime performance as solve(org.ejml.data.FMatrixRMaj, org.ejml.data.FMatrixRMaj) and is more complicated. It is being kept around to avoid future replication of work.

Parameters:

b - A matrix that is n by m. Not modified.

x - An n by m matrix where the solution is writen to. Modified.