On Mon, Jan 2, 2012 at 21:58, Dave Nystrom <dnystrom1 at comcast.net> wrote:
> I'm wondering if petsc has support for reordering the unknowns under the > hood > so that for the z-coupling case, the matrix can be cast as a compact > tridiagonal matrix. Essentially, this would be support for minimizing the > bandwidth. > -pc_factor_mat_ordering_type rcm You can get this with MatGetOrdering(A,MATORDERINGRCM,&isrow,&iscol) We need to write man pages for all the MatOrderingTypes (RCM, ND, etc) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120102/d3949b61/attachment.html>
