com.powerdata.openpa.tools.matrix

Class SpSymMtrxFactorizer

java.lang.Object

com.powerdata.openpa.tools.matrix.SpSymMtrxFactorizer

Direct Known Subclasses:

SpSymMtrxFactPattern

public abstract class SpSymMtrxFactorizer
extends java.lang.Object

Symmetric (Sparse) Matrix factorization base.

Constructor Summary

Constructors

Constructor and Description
SpSymMtrxFactorizer()

Method Summary

Modifier and Type	Method and Description
void	eliminate(LinkNet mtrx, int[] ref) reduce network to the set of ref buses
int	getElimEdgeCount() Get the number of edges that were eliminated during nodal elimination
int[]	getElimEdgeOrder() Get the order in which edges were eliminated
int[]	getElimFromNode() Get the from-side nodes of eliminated edges
int	getElimNdCount() Get the number of nodes eliminated
int[]	getElimNdOrder() Returns a list of how the nodes were eliminated
int[]	getElimToNode() Get the to-side nodes of eliminated edges

Methods inherited from class java.lang.Object

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

Constructor Detail

SpSymMtrxFactorizer

public SpSymMtrxFactorizer()

Method Detail

eliminate

public void eliminate(LinkNet mtrx,
                      int[] ref)

reduce network to the set of ref buses

Parameters:

matrix - Sparse adjacency matrix

ref - Buses to be retained in the equivalent network.

getElimNdOrder

public int[] getElimNdOrder()

Returns a list of how the nodes were eliminated

Returns:

array of node indexes in elimination order

getElimNdCount

public int getElimNdCount()

Get the number of nodes eliminated

Returns:

Number of nodes eliminated

getElimEdgeCount

public int getElimEdgeCount()

Get the number of edges that were eliminated during nodal elimination

Returns:

Number of edges that were eliminated during nodal elimination

getElimFromNode

public int[] getElimFromNode()

Get the from-side nodes of eliminated edges

Returns:

From-side nodes of eliminated edges

getElimToNode

public int[] getElimToNode()

Get the to-side nodes of eliminated edges

Returns:

To-side nodes of eliminated edges

getElimEdgeOrder

public int[] getElimEdgeOrder()

Get the order in which edges were eliminated

Returns:

array containing edge indexes in order of elimination