[petsc-users] MatZeroRowsIS for non-square matrices

[Matthew Knepley]

On Sun, Jan 30, 2011 at 9:51 PM, Khan, Irfan <irfan.khan at gatech.edu> wrote:

> How will "MatZeroRowsIS()" work for rectangular matrices with rows > cols?
> Particularly, for a given row, what will be the column number chosen for
> specifying the constant value?
>

There will be no "diagonal" value set for row > numCols.

   Matt


> Thank you
> Irfan
>
-- 
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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