com.interpss.core.sparse.solver

Class BaseSparseEqnSolver

java.lang.Object

com.interpss.core.sparse.solver.BaseSparseEqnSolver

All Implemented Interfaces:

ISparseEqnSolver

Direct Known Subclasses:

BaseCSJSparseEqnSolver

public abstract class BaseSparseEqnSolver
extends java.lang.Object
implements ISparseEqnSolver

Base class for SparseEqn solver implementation

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	factored

Constructor Summary

Constructors

Constructor and Description
BaseSparseEqnSolver()

Method Summary

Modifier and Type	Method and Description
boolean	factorization() Matrix factorization, for example LU decomposition, of the matrix.
boolean	factorization(double tolerance) Matrix factorization, for example LU decomposition, of the matrix.
void	setMatrixDirty() set the A matrix dirty status to true, due to change of its element
double[]	solveEqn(double[] b) Solve the [A]X = B problem, assume the [A] is LUed

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.interpss.core.sparse.solver.ISparseEqnSolver

solveEqn

Field Detail

factored

protected boolean factored

Constructor Detail

BaseSparseEqnSolver

public BaseSparseEqnSolver()

Method Detail

setMatrixDirty

public void setMatrixDirty()

Description copied from interface: ISparseEqnSolver

set the A matrix dirty status to true, due to change of its element

Specified by:

setMatrixDirty in interface ISparseEqnSolver

solveEqn

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

Description copied from interface: ISparseEqnSolver

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

Specified by:

solveEqn in interface ISparseEqnSolver

Parameters:

b - the B vector

Throws:

IpssNumericException

factorization

public boolean factorization()
                      throws IpssNumericException

Description copied from interface: ISparseEqnSolver

Matrix factorization, for example LU decomposition, of the matrix.

Specified by:

factorization in interface ISparseEqnSolver

Returns:

if succeed return true.

Throws:

IpssNumericException

factorization

public boolean factorization(double tolerance)
                      throws IpssNumericException

Description copied from interface: ISparseEqnSolver

Matrix factorization, for example LU decomposition, of the matrix.

Specified by:

factorization in interface ISparseEqnSolver

Parameters:

tolerance - the tolerance for matrix singular detection

Returns:

if succeed return true.

Throws:

IpssNumericException