[petsc-dev] Problem with SNES and FieldSplit

Matthew Knepley knepley at gmail.com
Tue Mar 15 17:33:23 CDT 2011


On Tue, Mar 15, 2011 at 5:29 PM, Jed Brown <jed at 59a2.org> wrote:

> On Tue, Mar 15, 2011 at 23:28, Matthew Knepley <knepley at gmail.com> wrote:
>
>> What I have now is a MatShell that implements MatGetSubMatrix(),
>>
>
> I did this for a couple years, but now we have MatNest, why not use it?
>

If it does exactly what I just said, I will. However, from my reading, it
does not.

   Matt

-- 
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
lead.
-- Norbert Wiener
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