On Wed, Jun 1, 2011 at 15:38, Derek Gaston <[email protected]> wrote:
> Has anyone done any MMS verification on cubic hermite convergence rates? I
> thought they were supposed to be O(h^4).... but we're only seeing O(h^2) on
> a fairly simple 2D poisson problem with an assumed solution of
> u=sin(8*pi*x).
Are you using sufficient quadrature for the Hermite basis?
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