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

[Michael Povolotskyi]

thank you,
Michael.

On 06/24/2013 06:06 PM, Matthew Knepley wrote:
> On Tue, Jun 25, 2013 at 12:01 AM, Michael Povolotskyi 
> <mpovolot at purdue.edu <mailto: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 <tel:%2B1-765-494-9396>
>     fax: +1-765-496-6026 <tel:%2B1-765-496-6026>
>
>
>
>
> -- 
> 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


-- 
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

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