On Tue, Dec 13, 2011 at 9:49 PM, Xiangdong Liang <xdliang at gmail.com> wrote:
> Hello everyone, > > I am solving complex Ax=b with PaStix on 20 processors successfully > but failed on 24 processors. The relatively error indicated by > mat_pastix_verbose becomes "nan" for 24 processors. Where could be > wrong? Can someone give me some hints on how I can debug? Thanks. First, make sure you did not put any NaNs in your matrix or rhs. Matt > > Xiangdong -- 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/20111213/339c4743/attachment.htm>