[petsc-users] parallel Mat Mult a serial Vec or a serial Mat

[Jed Brown]

No, MatMult and MatMatMult require all objects to be on the same
communicator.


On Sun, Jan 20, 2013 at 10:12 AM, Hui Zhang <mike.hui.zhang at hotmail.com>wrote:

> parallel Mat, multiplies a serial Vec or a serial Mat
>
> Is it supported directly? If yes, can the resulting Vec/Mat be serial or
> parallel?
>
>
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