[petsc-users] da_overlap vs width in dmdacreate

[Xiangdong]

Hello everyone,

I have a quick question. What is the relationship between da_overlap and
the width parameter in dmdacreate2d?

>From the examples, it seems that width=1 works with da_overlap=4. Could you
please explain the relationship or point me to a reference page?

Thanks.

Xiangdong
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