[SciPy-dev] solution sparse matrix

Lisandro Dalcin dalcinl@gmail....
Fri Mar 7 09:38:24 CST 2008


OK, but your matrix is really huge! Or has it very few nonzeros at each row?

Could you describe my your application, that is, how do to obtain that matrix?


On 3/6/08, jose luis Lopez Martinez <lopmart@gmail.com> wrote:
> hi
>
> the size of matrix sparse is 128^4(268,435,456 rows)x 128^4(268,435,456
> colums).
>
> the matrix have diagonald dominancies that is a sufficient condition
> for convergence of Jacobi iteration , gauss seidel and xor(relaxion method),
> but is slow for converge.
>
> it exist a command  in scipy  that solve sparse matrix using at the
> Gauss-Seidel iteration method o krylov iterative methods?
>
> thanks for your advisor
>
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-- 
Lisandro Dalcín
---------------
Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC)
Instituto de Desarrollo Tecnológico para la Industria Química (INTEC)
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
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