[petsc-users] problems with MatCreateSeqAIJWithArrays

[Jed Brown]

On Tue, Nov 29, 2011 at 06:12, Nisoli Isaia <isaia.nisoli at gmail.com> wrote:

> Sorry, I mixed up things.
> It is probably simply
>
> rowindices[size]=rowindices[size-1];
>

That gives you an empty row.


Some algorithms require diagonal entries, so it's sometimes better to
preallocate them and put an explicit zero there than to skip them.
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