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
