[petsc-users] A question on "-pc_factor_mat_ordering_type"

[Matthew Knepley]

On Fri, Jan 16, 2015 at 2:36 PM, Zou (Non-US), Ling <ling.zou at inl.gov>
wrote:

> Hi All,
>
> I found many available options for PCILU on this webpage:
>
> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCILU.html
>
> There is an option named -pc_factor_mat_ordering_type, with possible
> values such as <natural,nd,1wd,rcm,qmd>. I wonder if anyone has brief
> descriptions for these values.
>

Here are the names:
http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/MatOrderings/MatGetOrdering.html

  Thanks,

    Matt


> Best,
>
> Ling
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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