TFQMR Class

A Transpose Free Quasi-Minimal Residual (TFQMR) iterative matrix solver.

Inheritance Hierarchy

SystemObject
Altaxo.Calc.LinearAlgebra.Double.SolversTFQMR

Namespace: Altaxo.Calc.LinearAlgebra.Double.Solvers
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)

Syntax

Copy

public sealed class TFQMR : IIterativeSolver<double>

The TFQMR type exposes the following members.

Constructors

	Name	Description
	TFQMR	Initializes a new instance of the TFQMR class

Top

Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
	GetHashCode	Serves as the default hash function. (Inherited from Object)
	GetType	Gets the Type of the current instance. (Inherited from Object)
	Solve	Solves the matrix equation Ax = b, where A is the coefficient matrix, b is the solution vector and x is the unknown vector.
	ToString	Returns a string that represents the current object. (Inherited from Object)

Top

Remarks

The TFQMR algorithm was taken from:
Iterative methods for sparse linear systems.
Yousef Saad
Algorithm is described in Chapter 7, section 7.4.3, page 219

The example code below provides an indication of the possible use of the solver.

Reference

Altaxo.Calc.LinearAlgebra.Double.Solvers Namespace