On Thu, Apr 26, 2012 at 1:14 PM, Dominik Szczerba <domel07 at gmail.com> wrote:
> > Thanks for a useful hint. The smallest problem I was able to generate > > has around 1000 unknowns but it finally outputs something. I got some > > matrix, with the biggest absolute entry order 0.1 the smallest > > absolute entry order 1e-14, average values seem to be order 1e-8 or > > so. End line of the output says: Norm of matrix ratio 0.579314 > > difference 10.9951 (constant state 1.0) > > > > Dominik > > So do you think this is reasonable or you still think I evaluate the > Jacobian incorrectly? Is there still something I can do to find out where > the problem is? Unfortunately, there is no easy way I can run the code > serially. > Yes, it looks incorrect. The difference should be very small. Matt > Dominik > -- 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/20120426/293b20ea/attachment.htm>
