[petsc-users] MatCreateScatter documentation

[Jed Brown]

On Wed, Nov 23, 2011 at 07:22, Dominik Szczerba <dominik at itis.ethz.ch>wrote:

> Would not MatConvert do the same, but easier?


No, how would MatConvert() know on which communicator to put the result?
What would all the other processes get?

MatGetSubMatrices() is the right amount of explicit about these things.
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