Re: [Libmesh-users] Lagrange Convergence

[John P. <jwp...@gm...>]

On Wed, Jul 9, 2008 at 7:56 PM, Maxime Debon
<max...@et...> wrote:

> NB: To implement the Neumann condition in a transient case, I finally
> used, on the boundary, a finite difference approximation.

This seems like it could be a problem if not done correctly at higher orders.

What norm are you using to measure the error, and how are you computing it?

-- 
John