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Re: docs for MINRES, only for positive definite?
- To: petsc-dev@xxxxxxxxxxx
- Subject: Re: docs for MINRES, only for positive definite?
- From: "Matthew Knepley" <knepley@xxxxxxxxx>
- Date: Thu, 28 Feb 2008 09:32:25 -0600
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Docs are wrong.
Matt
2008/2/28 Lisandro Dalcin <dalcinl@xxxxxxxxx>:
> I've noticed that the docs for MINRES say that the operator and the
> preconditioner must be POSITIVE DEFINITE. But I understand MINRES is
> tailored for the symmetric/hermitian-indefinite case.
>
> Are the docs wrong? Or the actual code is a (very peculiar) MINRES variant?
>
>
> --
> 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)
> PTLC - Güemes 3450, (3000) Santa Fe, Argentina
> Tel/Fax: +54-(0)342-451.1594
>
>
--
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which
their experiments lead.
-- Norbert Wiener