On Mon, Nov 29, 2010 at 19:05, Peter Wang <pengxwang at hotmail.com> wrote: > Should the vactor (b) be assembled after calling VecSetValues() ? Yes. Jed -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20101129/1689867a/attachment.htm>