org.interpss.numeric.sparse

Interface ISparseEqnInteger

All Superinterfaces:

ISparseEquation

All Known Implementing Classes:

SparseEqnIntegerImpl

public interface ISparseEqnInteger
extends ISparseEquation

Sparse Equation of data type integer. The purpose is for arranging network bus number to minimize the non-zero fill-ins. To outside, the index number is from 0 to n-1

Nested Class Summary

Nested classes/interfaces inherited from interface org.interpss.numeric.sparse.base.ISparseEquation

ISparseEquation.IndexType

Method Summary

Modifier and Type	Method and Description
void	arrangeRowNoT2() Arrange bus bus according to the Tinney-2 rule
void	arrangeRowNoT3() Arrange bus bus according to the Tinney-3 rule
int	getAijElement(int i, int j) Get the aij element.
int	getOld2New(int i) After the bus number arrangement, get the new bus number from an old bus number.
void	setAij(int n, int i, int j) Set the aij element

Methods inherited from interface org.interpss.numeric.sparse.base.ISparseEquation

factorization, factorization, getBusId, getDimension, getDimension, getTotalElements, getZeroAii_row, increaseDimension, isFactorized, isSquareMatrix, reset, setB2Unity, setB2Zero, setBusId, setFactorized, setToZero, solveEqn, solveEqn

Method Detail

arrangeRowNoT2

void arrangeRowNoT2()

Arrange bus bus according to the Tinney-2 rule

arrangeRowNoT3

void arrangeRowNoT3()

Arrange bus bus according to the Tinney-3 rule

getOld2New

int getOld2New(int i)

After the bus number arrangement, get the new bus number from an old bus number.

Parameters:

i - old bus number

Returns:

the new bus number

setAij

void setAij(int n,
            int i,
            int j)

Set the aij element

Parameters:

n - the aij element

i - the element row number (starts from 0)

j - the element column number (starts from 0)

getAijElement

int getAijElement(int i,
                  int j)

Get the aij element.

Parameters:

i - the element row number

j - the element column number