[petsc-users] Change entries after MatCopy

Lisandro Dalcin dalcinl at gmail.com
Wed May 12 17:24:42 CDT 2010


On 12 May 2010 19:18,  <hxie at umn.edu> wrote:
> Hi,
>
> If I use MatCopy to get a new matrix, can i use MatSetValues to change some
> entries of that matrix and do the assemble after that? Or if I just need to
> change some diagonal entries, can I use MatDiagonalSet to change the entries
> without assembling? Thanks.
>

Yes and Yes.


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Lisandro Dalcin
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