Barry Smith <[email protected]> writes: >> On Oct 23, 2014, at 1:32 AM, Filippo Leonardi >> <[email protected]> wrote: >> >> Tested on this branch: the program no longer crashes, but the solution is >> actually still wrong. > > Yes, we never said that this fixed the problem. > > Jed ?
Oops, one solution discussed on the petsc-dev fork of this thread is -ksp_chebyshev_estimate_eigenvalues_random, which should provide reasonable estimates independent of right-hand side. I'm not sure whether this should be made default since it makes some debugging tasks more difficult.
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