Bugs and strange behaviours of Maxima with ratmx and sparse set to true
Subject: Bugs and strange behaviours of Maxima with ratmx and sparse set to true
From: Alexey Beshenov
Date: Wed, 28 Jan 2009 02:44:30 +0300
On Wednesday 28 January 2009 02:30:23 Stefano Ferri wrote:
> I am working with a linear system with a big sparse matrix (K) of
> coefficients, and I need to solve a system like this
>
> Ku = f
>
> with respect to u, so I write
>
> u : K^^-1 . f
I think it could be better to use something like
fast_linsolve or linsolve_by_lu rather than inversion.
--
Boomtime, Chaos 27 YOLD 3175
Alexey Beshenov http://beshenov.ru/