[petsc-users] Computing Vector Norm Field wise

[Matthew Knepley]

On Aug 18, 2014 2:28 PM, "Luc Berger-Vergiat" <lb2653 at columbia.edu> wrote:
>
> Hi all,
> I am using the fieldsplit/DM facility to work on a multiphysics problem.
> I would like to get some field dependent convergence information.
> Is there something similar to the VecStrideNorm function that can compute
a residual for each field defined in the DM?
> Or should I use the DM to extract subvectors and compute their norms?

I wroteca monitor that does this. I am currently out of internet range, but
I will mail it Wed when I get back.

  Thanks

      Matt

> --
> Best,
> Luc
>
>
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