On Mon, Jun 22, 2009 at 07:56:04PM +0100, Garth N. Wells wrote: > Anders Logg wrote: > > The comment in the non-matching interpolation demo says "L2 > > projection", but it looks like it's direct interpolation? > > > > Yes, I've changed the comment.
ok. > > I'm also confused about how smooth v1 looks. If it interpolates v0, it > > should be just as rough but on a finer mesh. > > > > It should appear smoother. v0 is on a P_3 element and a coarse mesh, > whereas v1 is P_1 on a finer mesh. The post-processing of higher-order > elements often looks a bit rough because we only visualise the solution > at the vertices. Aha. I didn't notice v0 was P3. -- Anders
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