You might be looking for https://petsc.org/release/manualpages/AO/AO/#ao
> On Jun 9, 2023, at 11:02 AM, Mark Adams <mfad...@lbl.gov> wrote: > > 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...@gmail.com > <mailto:ysjosh...@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
