[petsc-users] GAMG

[Mark Adams]

Please run with -info and grep on GAMG.

On Fri, Oct 28, 2016 at 9:38 AM, Jeremy Theler <jeremy at seamplex.com> wrote:

>
> >
> >         If I do not call PCSetCoordinates() the error goes away but
> >         convergence
> >         is slow.
> > Is it possible that your coordinates lie on a 2D surface? All this
> > does is make the 6 basis vectors
> > for translations and rotations. You can just make these yourself and
> > call MatSetNearNullSpace()
> > and see what you get.
> >
> No, they do not lie on a 2D surface :-/
>
> Sorry but I did not get the point about the 6 basis vectors and
> MatSetNearNullSpace().
>
> --
> jeremy
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20161028/9f644e9a/attachment-0001.html>