[petsc-dev] Custom interpolation matrices for DA

[Matthew Knepley]

Do we have something like MatSetValuesStencil() that can be used to create
and interpolation matrix? If not, this sounds like something that would be
useful.

Second, are these any examples of custom interpolation?

  Thanks,

     Matt

-- 
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
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