[petsc-users] Neumann BC in src/ksp/ksp/example/tutorial/ex29.c

[Jed Brown]

On Fri, Sep 2, 2011 at 09:20, Alan Wei <zhenglun.wei at gmail.com> wrote:

> I thought there is a ghosted grid around Dirichlet and Neumann BC's.


Only if you ask for it with DMDA_BOUNDARY_GHOSTED (not available in
petsc-3.1). This example does not.
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