Scilab Function
Last update : 7/2/2005

pcg - precondioned conjugate gradient

Calling Sequence

[x, flag, err, iter, res] = pcg(A, b, tol, maxit, M, x)

Parameters

Description

Solves the linear system Ax=b using the conjugate gradient method with preconditioning.

The A matrix must be a symmetric positive definite matrix.

Examples


See Also

pcg,  

Author

Sage Group (IRISA, 2004)