[petsc-users] KSP diverging

[Jed Brown]

On Thu, Dec 22, 2011 at 19:46, Matthew Knepley <knepley at gmail.com> wrote:

> dtol failure is impossible for GMRES (and CG). Consider checking with that.


Well, if you turn of restarts in GMRES and if orthogonalization is working
correctly.
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