com.powerdata.openpa.tools.matrix

Class FactorizedFltMatrix

java.lang.Object

com.powerdata.openpa.tools.matrix.FactorizedFltMatrix

public class FactorizedFltMatrix
extends java.lang.Object

Keep a more efficient version of the float-valued factorized sparse matrix.

Constructor Summary

Constructors

Constructor and Description
FactorizedFltMatrix(float[] bDiag, float[] bOffDiag, int[] p, int[] q, int[] elimNdOrder, int elimBusCnt, int[] elimBrOrder, int elimBranchCount)

Method Summary

Modifier and Type	Method and Description
float[]	backwardSubstitution(float[] ds) Perform backward substitution
void	dump(java.lang.String[] busname, java.io.PrintWriter pw)
float[]	forwardReduction(float[] mm) Perform a forward reduction
int[]	getElimBus()
float[]	solve(float[] mm) convenience method to solve the matrix by running both forward reduction and backward substitution

Methods inherited from class java.lang.Object

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

Constructor Detail

FactorizedFltMatrix

public FactorizedFltMatrix(float[] bDiag,
                           float[] bOffDiag,
                           int[] p,
                           int[] q,
                           int[] elimNdOrder,
                           int elimBusCnt,
                           int[] elimBrOrder,
                           int elimBranchCount)

Method Detail

forwardReduction

public float[] forwardReduction(float[] mm)

Perform a forward reduction

Parameters:

mm - mismatch array

Returns:

Array (in bus order) results of forward reduction results

backwardSubstitution

public float[] backwardSubstitution(float[] ds)

Perform backward substitution

Parameters:

ds - result of forward reduction

Returns:

Array (in bus order) of corrections

solve

public float[] solve(float[] mm)

convenience method to solve the matrix by running both forward reduction and backward substitution

Parameters:

mm - Mismatch array

Returns:

Array (in bus order) of corrections

getElimBus

public int[] getElimBus()

dump

public void dump(java.lang.String[] busname,
                 java.io.PrintWriter pw)