com.interpss.core.sparse.solver

Class SqaureMatrixEqnCSJDoubleSolver

java.lang.Object

com.interpss.core.sparse.solver.BaseSparseEqnSolver

com.interpss.core.sparse.solver.BaseCSJEqnDoubleSolver

com.interpss.core.sparse.solver.SqaureMatrixEqnCSJDoubleSolver

All Implemented Interfaces:

ISparseEqnSolver

public class SqaureMatrixEqnCSJDoubleSolver
extends BaseCSJEqnDoubleSolver

Sparse Equation solver implementation of data type double for solving the [A]X=B problem.

Field Summary

Fields inherited from class com.interpss.core.sparse.solver.BaseSparseEqnSolver

CSJ_Order, CSJ_Tol

Constructor Summary

Constructors

Constructor and Description
SqaureMatrixEqnCSJDoubleSolver(ISparseEqnDouble eqn)

Method Summary

Modifier and Type	Method and Description
boolean	factorization(double tolerance) LU decomposition of the [A] matrix.
void	solveEqn() Solve the [A]X = B problem, assume that [A] is LUed
double[]	solveEqn(double[] b) Solve the [A]X = B problem, assume that [A] is LUed

Methods inherited from class com.interpss.core.sparse.solver.BaseSparseEqnSolver

factorization, setMatrixDirty

Methods inherited from class java.lang.Object

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

Constructor Detail

SqaureMatrixEqnCSJDoubleSolver

public SqaureMatrixEqnCSJDoubleSolver(ISparseEqnDouble eqn)

Method Detail

solveEqn

public void solveEqn()
              throws IpssNumericException

Solve the [A]X = B problem, assume that [A] is LUed

Throws:

IpssNumericException

solveEqn

public double[] solveEqn(double[] b)
                  throws IpssNumericException

Solve the [A]X = B problem, assume that [A] is LUed

Specified by:

solveEqn in interface ISparseEqnSolver

Overrides:

solveEqn in class BaseSparseEqnSolver

Parameters:

b - the b vector

Throws:

IpssNumericException

factorization

public boolean factorization(double tolerance)
                      throws IpssNumericException

LU decomposition of the [A] matrix.

Specified by:

factorization in interface ISparseEqnSolver

Overrides:

factorization in class BaseSparseEqnSolver

Parameters:

tolerance - the tolerance for matrix singular detection, not used for this implementation

Returns:

if succeed return true.

Throws:

IpssNumericException