[petsc-users] About the interpolation and restriction matrix for cell-centered multigrid.

[Xiaodong Liu]

Thanks, all. Very useful.
Xiaodong Liu, PhD
X: Computational Physics Division
Los Alamos National Laboratory
P.O. Box 1663,
Los Alamos, NM 87544
505-709-0534


On Tue, Mar 24, 2020 at 8:42 AM Jed Brown <jed at jedbrown.org> wrote:

> Xiaodong Liu <xliu29 at ncsu.edu> writes:
>
> > Thanks, Mark and Jed. It is very helpful.
> > So, for present, Petsc doesn't support Q1 interperpolation for
> > cell-centered multigrid, right?
>
> DMDA does not, though you can create your own interpolation matrix, and
> patches are certainly welcome.
>
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