On Tue, Nov 9, 2010 at 12:56, Tim Kroeger <tim.kroeger at cevis.uni-bremen.de>wrote:
> Thank you, I found it now: The shell matrix does not implement MatMultAdd, > only MatMult. Of course, it can't work then. Thank you very much! Okay, but then it will error instead of silently modifying the vector. Jed -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20101109/d9046b21/attachment.htm>
