[petsc-users] Obtaining more ghost points at EE, SS etc using DM

[Jed Brown]

On Fri, Jun 15, 2012 at 8:31 PM, TAY wee-beng <zonexo at gmail.com> wrote:

>
> On 15/6/2012 9:04 PM, Jed Brown wrote:
>
> If you need corner points, use DMDA_STENCIL_BOX.
>
>
> Sorry， I don't mean corner points, but points to the east of the east
> cell, or the west of the west cell ie. instead of only 1 ghost cell to the
> east of the boundary, I need 1 more which is east of the east cell.
>

Then use a stencil width of 2.
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