[petsc-users] DMDA questions

Xiangdong epscodes at gmail.com
Wed Mar 5 13:33:52 CST 2014

I did find the coarsen, but skip the interpolation. I passed the DMCoarsen
at first glance because it is the function between two DM objects and I did
not see any mat or vec as input or output in that function.

Anyway, DMCreateInterpolation is the right one to use. Thanks.


On Wed, Mar 5, 2014 at 2:24 PM, Jed Brown <jed at jedbrown.org> wrote:

> Xiangdong <epscodes at gmail.com> writes:
> > Yes, I am using DMDA. I looked at the DM index page with keywords
> > *coarsen*,
> You searched the DM page for "coarsen" and did not find DMCoarsen?
> > but did not realize that *interpolation* is the key word to search.
> Thanks
> > pointing out.
> >
> >
> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/DM/index.html
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