You can sort them with ISSort. Matt
On Tue, Dec 23, 2008 at 12:35 PM, Yujie <recrusader at gmail.com> wrote: > Hi, PETSc developer > > I am using MatGetSubMatrices() for my application. Because I need to exact > several matrices from the old one according to my index sets. These index > sets are not sorted. To MPIDense matrix, it didn't work. could you give me > some help? thanks a lot. > > Happy holiday:). > > Regards, > > Yujie > -- 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/20081223/6e57dc69/attachment.htm>
