[petsc-users] KSPBuildSolution
Juha Jäykkä
juhaj at iki.fi
Wed Feb 16 10:31:47 CST 2011
> Yes, it is the most common place to make programming mistakes and the
> symptoms you describe are typical.
Please let me double-check there has not been a misunderstanding here: the
problems I describe occur with the PETSc built-in FD Jacobian approximation,
not my own. Now, I realise this will be a less-than-optimal approximation, but
I fail to see how there could be a programming mistake, when I am using
SNESDefaultComputeJacobianColor and not my hand-written Jacobian.
I do get the same symptoms with the hand-written one, too. That's why I wanted
to check with the PETSc built in FD version.
Cheers,
Juha
--
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| Juha Jäykkä, juhaj at iki.fi |
| http://www.maths.leeds.ac.uk/~juhaj |
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