[petsc-users] IS natural numbering to global numbering

[Mark Adams]

An IS is just an array of integers. We need your context.
Is this question for sparse matrices? If so look at the documentation on
the AIJ matrix construction and the global vertex numbering system.

Mark

On Thu, Jun 8, 2023 at 1:15 PM YuSh Lo <ysjosh.lo at gmail.com> wrote:

> Hi,
>
> I have an IS that contains some vertex that is in natural numbering. How
> do I map them to global numbering without being distributed?
>
> Thanks,
> Josh
>
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