On Thu, Mar 7, 2013 at 9:20 AM, Subramanya Gautam Sadasiva <
[email protected]> wrote:

> Hi Lorenzo ,
> Again, this just suggests to me that lu is not appropriate to your system.
> You might have zeros on your diagonals and the petsc lu does not pivot.
>

If this was the case, wouldn't he see an error message from PETSc to that
effect?

-- 
John
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