Thank you very much, Matt and Hong. Best, Yujie
On Wed, Mar 28, 2012 at 11:00 AM, Hong Zhang <hzhang at mcs.anl.gov> wrote: > You can also use runtime option: > -pc_factor_mat_ordering_type <type> > supported types: > natural nd 1wd rcm qmd rowlength > > Hong > > > > On Wed, Mar 28, 2012 at 10:50 AM, Matthew Knepley <knepley at gmail.com>wrote: > >> 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/a541ea50/attachment-0001.htm>
