Package org.flag4j.linalg.solvers.exact

Class ComplexExactSolver

java.lang.Object

org.flag4j.linalg.solvers.exact.ExactSolver<CMatrix,CVector>

org.flag4j.linalg.solvers.exact.ComplexExactSolver

All Implemented Interfaces:

LinearSolver<CMatrix,CVector>

public class ComplexExactSolver
extends ExactSolver<CMatrix,CVector>

Solver for solving a well determined system of linear equations in an exact sense using the LU decomposition.

Field Summary

Fields inherited from class org.flag4j.linalg.solvers.exact.ExactSolver

backSolver, forwardSolver, lu, LU, rowPermute

Constructor Summary

Constructors

Constructor	Description
ComplexExactSolver()	Constructs an exact LU solver where the coefficient matrix is real dense.

Method Summary

Modifier and Type	Method	Description
protected CMatrix	permuteRows(CMatrix B)	Permute the rows of a matrix using the row permutation matrix from the LU decomposition.
protected CVector	permuteRows(CVector b)	Permute the rows of a vector using the row permutation matrix from the LU decomposition.

Methods inherited from class org.flag4j.linalg.solvers.exact.ExactSolver

decompose, solve, solve

Methods inherited from class java.lang.Object

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

Constructor Details

ComplexExactSolver

public ComplexExactSolver()

Constructs an exact LU solver where the coefficient matrix is real dense.

Method Details

permuteRows

protected CVector permuteRows(CVector b)

Permute the rows of a vector using the row permutation matrix from the LU decomposition.

Specified by:

permuteRows in class ExactSolver<CMatrix,CVector>

Parameters:

b - Vector to permute the rows of.

Returns:

A vector which is the result of applying the row permutation from the LU decomposition to the vector b.

permuteRows

protected CMatrix permuteRows(CMatrix B)

Permute the rows of a matrix using the row permutation matrix from the LU decomposition.

Specified by:

permuteRows in class ExactSolver<CMatrix,CVector>

Parameters:

B - matrix to permute the rows of.

Returns:

A matrix which is the result of applying the row permutation from the LU decomposition to the matrix B.