[petsc-users] To store the matrix.

[Jed Brown]

On Thu, Jul 14, 2011 at 13:30, Xuefei (Rebecca) Yuan <xyuan at lbl.gov> wrote:

> I need to have this form for the simple input for PDSLin.
>
> What do you mean by "COO"?
>

http://en.wikipedia.org/wiki/Sparse_matrix#Coordinate_list_.28COO.29


> Any examples to show how to pull that new array for reading from the AIJ
> structure?
>

Get the indices using MatGetRowIJ() and the values using MatGetArray().
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