[petsc-users] Can I reorder the matrix for iterative methods?

[Matthew Knepley]

On Wed, Mar 28, 2012 at 10:46 AM, recrusader <recrusader at gmail.com> wrote:

> Dear PETSc developers,
>
>
> In order to reorder the matrix, I just find relevant functions for LU
> decomposition in "PC".
> My question is whether i can reorder the matrix and then use iterative
> method like gmres.
> If it works, how to do it? Thank you very much.
>

http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/MatOrderings/MatGetOrdering.html

   Matt


> Best,
> Yujie
>



-- 
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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120328/d00792bc/attachment.htm>