[petsc-users] How to get Matrix from MatGetArray()

[Jed Brown]

On Sat, Oct 1, 2011 at 10:44, behzad baghapour
<behzad.baghapour at gmail.com>wrote:

> I test MatGetArray( Mat A, PetscScalar* a ) but I couldnt find the correct
> content of matrix by using a[i*n+j].


The moment you ask for such a grotesque thing, you have thrown in the towel
and given up any chance of a moderately scalable method (in memory or time).
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