[petsc-users] error vector for TSARKIMEX

[Mark Lohry]

perfect, thanks!

On Wed, Sep 23, 2020 at 3:17 PM Jed Brown <jed at jedbrown.org> wrote:

> It is intended that you can implement TSAdapt to change scheme within a
> family.
>
> It'd be typical to use TSEvaluateWLTE or
> TSEvaluateStep/TSErrorWeightedNorm.  Would those do what you want?
>
> Mark Lohry <mlohry at gmail.com> writes:
>
> > Is there a mechanism to get the error estimate with a fully implicit IMEX
> > method without using adaptive time stepping? TSGetTimeError always
> returns
> > 0, but I guess that's only implemented for GLEE methods.
> >
> > I'm trying to assess time accuracy for constant steps but varying the
> SDIRK
> > type.
>
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