[petsc-dev] -pc_type gamg for vector PDE

[Jed Brown]

On Fri, Jan 20, 2012 at 08:19, Alexander Grayver <agrayver at gfz-potsdam.de>wrote:

> It properly solves systems with extremely low \omega and \sigma for any
> stretched (which would 'kill' any multigrid I guess) grids.


Multigrid can handled stretched grids, it's just more technical
(semi-coarsening or line smoothers).
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