[petsc-dev] PCFieldSplitSetFields() API change

[Jed Brown]

On Thu, Jun 7, 2012 at 6:34 PM, Dmitry Karpeev <karpeev at mcs.anl.gov> wrote:

> Well, the above defines the "pivots"


Okay, but this is not a "field decomposition". We are extracting
sub-problems (maybe overlapping?) that have implicit off-diagonal parts
that may also need to be evaluated (how?).
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