[petsc-users] problems with MatCreateSeqAIJWithArrays

Jed Brown jedbrown at mcs.anl.gov
Tue Nov 29 06:47:19 CST 2011

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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