ufl team mailing list archive

[Martin Sandve Alnæs <martinal@xxxxxxxxx>]

However, the rule

    def spatial_derivative(self, v, f, i):
        return max(f-1, 0)

isn't really correct, e.g. a basis function like "x*y*z"
differentiated in one direction would still be

Martin


On Fri, Apr 17, 2009 at 12:02 PM, Martin Sandve Alnæs
<martinal@xxxxxxxxx> wrote:
> Take a look at
>  ufl/sandbox/algorithmtests/degree_estimation.py
> just added.
>
> Is this good enough for the initial version?
> It handles mixed elements by using the max
> degree of subelements, and nonlinear operators
> by just using the degree of the operands.
> Should work fine for most forms where accurate
> estimation is possible.
>
> I'll add it into UFL soon.
>
> Martin
>