[petsc-users] How to run SNES ex62

Justin Chang jychang48 at gmail.com
Wed Aug 13 14:35:21 CDT 2014


Hi all,

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