[petsc-users] Doubt in MPIPreallocation

[Matthew Knepley]

On Fri, Feb 19, 2016 at 1:50 AM, John Albequerque <johncfdcfd at gmail.com>
wrote:

> Could someone help me setting up this matrix i.e from preallocation to Set
> Values for an MPIAIJ matrix which has its entries.
>
>
>
>
>
> *1  1  1  1  0  0  0  00  1  1  1  1  0  0  00  0  1  1  1  1  0  00  0
> 0  1  1  1  1  00  0  0  0  1  1  1  1*
>
> I am trying to do it from 3 days now but not able to figure it out. Could
> someone please help me do this.
>

It will be enough to say that each row has 3 off-diagonal values, so you
can use the simplified preallocation rather
than giving a value for each row individually.

   Matt


> Thanks.
>
> ----
> John Albequerque.
>
>
>


-- 
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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