On Thu, Aug 9, 2012 at 11:45 PM, Eleni Siampli <siaeleni at hotmail.com> wrote:
> > What about nz and nnz? > These apply only to the upper triangular part. Matt > Thank you for the quick answer > > Helen > > On Thu, Aug 9, 2012 at 11:36 PM, Eleni Siampli <siaeleni at hotmail.com>wrote: > > Hello all, > > Lets say that I have a square Mat A, nxn and is upper triangular. The rest > elements are 0. > for example: lets say that I have a matrix 3x3 : [5 7 8;0 9 1;0 0 2] > What I want is to take the symmetric matrix: [5 7 8;7 9 1;8 1 2] > I think that I have to use MatCreateSeqSBAIJ(), but I don't understand > exactly how can I use it. > What is the block? > > > Set blocksize to 1 and you should have what you want. > > Matt > > > Thank you in advance, > Helen > > > > > -- > 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 > -- 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/20120809/5d226d57/attachment.html>
