[petsc-users] question about extracting numbers from a matrix

[Matthew Knepley]

On Tue, Jun 25, 2013 at 12:01 AM, Michael Povolotskyi
<mpovolot at purdue.edu>wrote:

> Hello everybody,
> I have a sparse matrix defined on 1 MPI process.
> I want to extract all entries from it (including zeros) and put them into
> an array to use as an argument for some lapack functions.
> What is the most optimal way of doing this?
>

Maybe MatConvert to MATSEQDENSE, then do what you want.

   Matt


> Thank you,
> Michael.
>
>
> --
> Michael Povolotskyi, PhD
> Research Assistant Professor
> Network for Computational Nanotechnology
> 207 S Martin Jischke Drive
> Purdue University, DLR, room 441-10
> West Lafayette, Indiana 47907
>
> phone: +1-765-494-9396
> fax: +1-765-496-6026
>
>


-- 
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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