On 7/19/19 9:18 AM, 'Maxi Miller' via deal.II User Group wrote:
> Is it then possible to use this LinearOperator in a preconditioner? The code
> works without one (i.e. PreconditionIdentity()), but the Iterations are
> increasing quite fast, thus negating all speedup gained from the
> LinearOperator.
> I tried to find something in the examples, but only found data about using
> matrices as input for preconditioners, not pure LinearOperators containing
> only a vmult-function.
Yes, this is supposed to work!
Best
W.
--
------------------------------------------------------------------------
Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
--
The deal.II project is located at http://www.dealii.org/
For mailing list/forum options, see
https://groups.google.com/d/forum/dealii?hl=en
---
You received this message because you are subscribed to the Google Groups
"deal.II User Group" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to dealii+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/dealii/8ff18c35-5f31-c35f-b79e-1eb3d3fde1a6%40colostate.edu.
