Thank you very much for your explanation, Jed and Barry. Regards, Yujie
On Sun, Feb 21, 2010 at 3:07 PM, Jed Brown <jed at 59a2.org> wrote: > On Sun, 21 Feb 2010 14:58:39 -0600, Yujie <recrusader at gmail.com> wrote: > > At the beginning, I was just thinking whether PETSc has some similar > > operations with Matlab like A./B or A.*B. To my understanding, PETSc > > realizes a parallel operation version of Matlab regarding matrix > > computations. > > Some operations are best avoided when working with sparse matrices in > parallel. There is almost always a way to formulate the problem so that > it can be solved in a scalable way, and PETSc prefers this approach to > literally translating all Matlab-style operations regardless of > efficiency. > > Jed > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20100221/646ea37f/attachment.htm>
