[petsc-users] Example for adaptive high-order FEM in PETSc

[Mark Adams]

>
>
>
> > The Riemann solver computes the flux and the Jacobian is assembled in
> PETSc.
>
> If you run this example with an implicit integrator, it uses FD coloring
> to compute the Jacobian.  Manav wants an analytic Jacobian.  I was
> hoping Matt could answer this; I haven't used Plex in that way.
>

Oh right. That test is explicit.

Matt is on vacation but he is doing email.
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