[petsc-users] extract vector for a 2-D plane from a DM vector for a 3-D domain

[Jed Brown]

Roc Wang <pengxwang at hotmail.com> writes:
> Is it possible I have both cases? 1 a few planes in the same
> communicator; 2 many planes to separate communicator.

Yeah, just create the VecScatter however you like.
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