[petsc-users] question about DMDA vector

[Jed Brown]

On Sat, Dec 3, 2011 at 17:07, Hailong Xiao <xiaohl1986 at gmail.com> wrote:

> So, I do not need to call the VecAssemblyBegin; and VecAssemblyEnd;
> routines in order to set the values of f?


Only in order set values that you do not own.

Alternatively, you can set values in a local vector and
DMDALocalToGlobalBegin/End.
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