[petsc-users] help needed for -snes_mf_operator

[Dominik Szczerba]

> 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.

Dominik
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120426/7c438bb8/attachment.htm>