[petsc-users] variable reduction

[Matthew Knepley]

On Thu, Dec 12, 2013 at 11:50 AM, Gideon Simpson
<gideon.simpson at gmail.com>wrote:

> Are there any analogs of the MPI reduction routines implemented for vecs
> and other data structures? Or should I just use MPI_Reduce as appropriate?
>

Is this a linear algebraic operation, or something more general?

  Thanks,

     Matt


> -gideon
>
>


-- 
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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