[petsc-users] How to run SNES ex62

[Jed Brown]

Justin Chang <jychang48 at gmail.com> writes:

> Hi all,
>
> This might seem like a silly question, but whenever I try running ./ex62 i
> seem to always get a zero solution. 

Matt doesn't like the normal run targets in makefiles, so he keeps all
the options in config/builder.py.  You should be able to find meaningful
options for ex62 in that file.

> I didn't see any script for running ex62 in the makefile so I have
> tried all the runtime combination of options listed in the Paris
> tutorial 2012 slides (e.g., block jacobi, gauss seidel, uzawa, schur
> complement, etc). They either give me a zero pivot for LU or errors
> like Petsc has generated inconsistent data. Can someone show me how to
> get solutions for this problem?
>
> Thanks,
> Justin
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 818 bytes
Desc: not available
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20140814/57e7fd8c/attachment.pgp>