[petsc-users] PCDiagonalScale

[Jed Brown]

On Thu, Feb 24, 2011 at 12:14, Klaij, Christiaan <C.Klaij at marin.nl> wrote:
>
> I'm using FGMRES but apparently it doesn't support diagonal scaling.
>

GCR also tolerates a variable preconditioner and it does not have such a
check. I don't know if that means it can use diagonal scaling or just that
someone forgot to check, but you could try it.
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