[petsc-users] ML and linear elasticity

[Jed Brown]

On Tue, Apr 3, 2012 at 07:21, Mark F. Adams <mark.adams at columbia.edu> wrote:

> I've added the appended code to get the null space from the Mat.  I did
> not see:
>
>  ierr = MatNullSpaceDestroy(&matnull);CHKERRQ(ierr);
>
> in your ML code ... shouldn't that be here?
>

MatGetNearNullSpace() is a lightweight accessor, it doesn't increment the
reference count and you don't have to restore it.
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