Hi, Now, I want to inverse a sparse matrix. I have browsed the manual, however, I can't find some information. could you give me some advice? thanks a lot. Regards, Yujie -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20080204/53601c73/attachment.htm>