com.interpss.core.sparse.impl

Class SparseEqnMatrix2x2Impl

java.lang.Object

com.interpss.core.sparse.impl.AbstractSparseEquation

com.interpss.core.sparse.impl.SparseEqnDoubleImpl

com.interpss.core.sparse.impl.SparseEqnMatrix2x2Impl

All Implemented Interfaces:

ISparseEqnObject<Matrix_xy,Vector_xy>, ISparseEquation, ISparseEqnDouble, ISparseEqnMatrix2x2

public class SparseEqnMatrix2x2Impl
extends SparseEqnDoubleImpl
implements ISparseEqnMatrix2x2

Sparse Equation of data type 2x2 matrix for solving the [A]X=B problem. 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

Constructor Summary

Constructors

Constructor and Description
SparseEqnMatrix2x2Impl(int n)
SparseEqnMatrix2x2Impl(int rows, int cols, int order)

Method Summary

Modifier and Type	Method and Description
void	addToA(Matrix_xy m, int i, int j) Add the aij element to the matrix.
void	addToB(org.apache.commons.math3.complex.Complex c, int i) add the complex object to the B vector
void	addToB(Vector_xy bi, int i) add to bi element.
Matrix_xy	getA(int i, int j) Get the aij object.
Vector_xy	getX(int i) Get the bi element.
int	getZeroA_row() Get zero aii row number, in case the matrix is singular
void	increaseDimension() Increase matrix dimension by 1.
void	setA(Matrix_xy m, int i, int j) Set the aij element.
void	setB(org.apache.commons.math3.complex.Complex c, int i) Set bi element.
void	setBi(Vector_xy bi, int i) Set bi element.

Methods inherited from class com.interpss.core.sparse.impl.SparseEqnDoubleImpl

addToAij, addToBi, err, factorization, factorization, getAij, getElem, getTotalElements, getXi, getXVector, reset, setAij, setB2Unity, setB2Zero, setBi, setBVector, setElem, setToZero, solveEqn, solveEqn, toString

Methods inherited from class com.interpss.core.sparse.impl.AbstractSparseEquation

getBusId, getDimension, getDimension, getZeroAii_row, isFactorized, isSquareMatrix, setBusId, setFactorized, setZeroAii_row, solveEqn

Methods inherited from class java.lang.Object

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

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

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

Constructor Detail

SparseEqnMatrix2x2Impl

public SparseEqnMatrix2x2Impl(int n)

SparseEqnMatrix2x2Impl

public SparseEqnMatrix2x2Impl(int rows,
                              int cols,
                              int order)

Method Detail

increaseDimension

public void increaseDimension()

Description copied from interface: ISparseEquation

Increase matrix dimension by 1. B[n] = 0.0, aii(n)=1.0, aij(n)=0.0

Specified by:

increaseDimension in interface ISparseEquation

Overrides:

increaseDimension in class SparseEqnDoubleImpl

Parameters:

n - matrix dimension

addToA

public void addToA(Matrix_xy m,
                   int i,
                   int j)

Add the aij element to the matrix. If aij exists, aij += x.

Specified by:

addToA in interface ISparseEqnObject<Matrix_xy,Vector_xy>

Parameters:

m - the aij element

i - the element row number

j - the element column number

getX

public Vector_xy getX(int i)

Get the bi element.

Specified by:

getX in interface ISparseEqnObject<Matrix_xy,Vector_xy>

Parameters:

i - the element row number

Returns:

the bi element

setA

public void setA(Matrix_xy m,
                 int i,
                 int j)

Set the aij element.

Specified by:

setA in interface ISparseEqnObject<Matrix_xy,Vector_xy>

Parameters:

m - the aij element

i - the element row number

j - the element column number

getA

public Matrix_xy getA(int i,
                      int j)

Description copied from interface: ISparseEqnObject

Get the aij object.

Specified by:

getA in interface ISparseEqnObject<Matrix_xy,Vector_xy>

Parameters:

i - the element row number

j - the element column number

Returns:

aij

setB

public void setB(org.apache.commons.math3.complex.Complex c,
                 int i)

Set bi element.

Specified by:

setB in interface ISparseEqnMatrix2x2

Parameters:

c - the bi element

i - row number

addToB

public void addToB(org.apache.commons.math3.complex.Complex c,
                   int i)

add the complex object to the B vector

Specified by:

addToB in interface ISparseEqnMatrix2x2

Parameters:

c - the bi element

i - row number

setBi

public void setBi(Vector_xy bi,
                  int i)

Set bi element.

Specified by:

setBi in interface ISparseEqnObject<Matrix_xy,Vector_xy>

Parameters:

bi - the bi element

i - row number

addToB

public void addToB(Vector_xy bi,
                   int i)

Description copied from interface: ISparseEqnObject

add to bi element.

Specified by:

addToB in interface ISparseEqnObject<Matrix_xy,Vector_xy>

Parameters:

bi - the bi element

i - row number

getZeroA_row

public int getZeroA_row()

Description copied from interface: ISparseEqnObject

Get zero aii row number, in case the matrix is singular

Specified by:

getZeroA_row in interface ISparseEqnObject<Matrix_xy,Vector_xy>

Returns: