On Mon, Jul 16, 2012 at 3:47 PM, Thomas Hisch <t.hisch at gmail.com> wrote:
> Hello list, > > is it possible to store just the nonzero pattern of a large (sparse) > matrix in a file? If I write the whole matrix to disk > (PetscViewerBinaryOpen/MatView) its size is about 30MB. As I only need > its structure it would be a good idea to load and store just the > non-zero pattern of the matrix. > > Has anyone tried to do that and are there corresponding functions in > petsc-dev? > This is not in PETSc currrently. It would not be hard to do by commenting out the value parts in the source. Matt > Regards > Thomas > -- 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/20120716/e7d65729/attachment.html>
