[petsc-users] partition an MPIAIJ matrix

Mon Feb 20 16:45:35 CST 2012

On Mon, Feb 20, 2012 at 16:45, Recrusader <recrusader at gmail.com> wrote:

> It is not only redistribute the matrix. I want to get the reorder
> information and use matpermute to reorder the matrix.

MatConvert().

ISPartitioningToNumbering() might also be useful for you.
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