com.interpss.core.sparse.impl

Class AbstractSparseEqnMatrix2x2Impl

java.lang.Object

com.interpss.core.sparse.impl.AbstractSparseEquation<ISparseEqnSolver>

com.interpss.core.sparse.impl.AbstractSparseEqnDoubleImpl

com.interpss.core.sparse.impl.AbstractSparseEqnMatrix2x2Impl

All Implemented Interfaces:

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

Direct Known Subclasses:

CSJSparseEqnMatrix2x2Impl

public abstract class AbstractSparseEqnMatrix2x2Impl
extends AbstractSparseEqnDoubleImpl
implements ISparseEqnMatrix2x2

Abstract 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

Field Summary

Fields inherited from class com.interpss.core.sparse.impl.AbstractSparseEqnDoubleImpl

aryAii

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

colCnt, factored, rowCnt, solver, squareMatrix, zeroAii_row

Constructor Summary

Constructors

Constructor and Description
AbstractSparseEqnMatrix2x2Impl(int n)
AbstractSparseEqnMatrix2x2Impl(int rows, int cols)

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.
java.lang.String	getBusId(int row) get cached bus id by the row number
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.
void	setBusId(int row, java.lang.String id) set bus id corresponding to the row
void	setBVector(Vector_xy[] bAry) Set b vector, before solving the eqn.
protected void	setDimension(int n)

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

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

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

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

Methods inherited from class java.lang.Object

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

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

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

Constructor Detail

AbstractSparseEqnMatrix2x2Impl

public AbstractSparseEqnMatrix2x2Impl(int n)

AbstractSparseEqnMatrix2x2Impl

public AbstractSparseEqnMatrix2x2Impl(int rows,
                                      int cols)

Method Detail

setDimension

protected void setDimension(int n)

Parameters:

n - matrix dimension

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 AbstractSparseEqnDoubleImpl

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

setBVector

public void setBVector(Vector_xy[] bAry)

Description copied from interface: ISparseEqnObject

Set b vector, before solving the eqn.

Specified by:

setBVector in interface ISparseEqnObject<Matrix_xy,Vector_xy>

Parameters:

bAry - the b vector elements

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:

getBusId

public java.lang.String getBusId(int row)

Description copied from interface: ISparseEquation

get cached bus id by the row number

Specified by:

getBusId in interface ISparseEquation

Overrides:

getBusId in class AbstractSparseEqnDoubleImpl

Parameters:

row - row number

Returns:

the bus id

setBusId

public void setBusId(int row,
                     java.lang.String id)

Description copied from interface: ISparseEquation

set bus id corresponding to the row

Specified by:

setBusId in interface ISparseEquation

Overrides:

setBusId in class AbstractSparseEqnDoubleImpl

Parameters:

row - row number

id - bus id