[petsc-dev] concatenate matrices

Matthew Knepley knepley at gmail.com
Mon Nov 11 17:55:33 CST 2013

On Mon, Nov 11, 2013 at 5:43 PM, Jose David Bermeol <jbermeol at purdue.edu>wrote:

> Hi, is it possible to concatenate matrices like in matlab, for instance if
> I have a matrix A of size 2x5 and B of size 2x10, I could create C = [A B]
> of size 2x15.

You almost never want to do this. However, its possible with MatNest. Why
do you want to do this?


> Thanks

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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