cern.colt.matrix.tfloat.algo.solver

Interface FloatIterativeSolver

All Known Implementing Classes:

AbstractFloatIterativeSolver, FloatBiCG, FloatBiCGstab, FloatCG, FloatCGLS, FloatCGS, FloatChebyshev, FloatGMRES, FloatHyBR, FloatIR, FloatMRNSD, FloatQMR

public interface FloatIterativeSolver

Iterative linear solver. Solves Ax=b for x, and it supports preconditioning and convergence monitoring.

Method Summary

Modifier and Type	Method and Description
FloatIterationMonitor	getIterationMonitor() Gets the iteration monitor
FloatPreconditioner	getPreconditioner() Gets preconditioner
void	setIterationMonitor(FloatIterationMonitor iter) Sets iteration monitor
void	setPreconditioner(FloatPreconditioner M) Sets preconditioner
FloatMatrix1D	solve(FloatMatrix2D A, FloatMatrix1D b, FloatMatrix1D x) Solves the given problem, writing result into the vector.

Method Detail

solve

FloatMatrix1D solve(FloatMatrix2D A,
                    FloatMatrix1D b,
                    FloatMatrix1D x)
             throws IterativeSolverFloatNotConvergedException

Solves the given problem, writing result into the vector.

Parameters:

A - Matrix of the problem

b - Right hand side

x - Solution is stored here. Also used as initial guess

Returns:

The solution vector x

Throws:

IterativeSolverFloatNotConvergedException

setPreconditioner

void setPreconditioner(FloatPreconditioner M)

Sets preconditioner

Parameters:

M - Preconditioner to use

getPreconditioner

FloatPreconditioner getPreconditioner()

Gets preconditioner

Returns:

Current preconditioner

setIterationMonitor

void setIterationMonitor(FloatIterationMonitor iter)

Sets iteration monitor

Parameters:

iter - Iteration monitor

getIterationMonitor

FloatIterationMonitor getIterationMonitor()

Gets the iteration monitor

Returns:

Current iteration monitor