Anders Logg wrote:
> On Tue, Sep 29, 2009 at 10:00:59PM +0100, Garth N. Wells wrote:
> 
>>> 2. Use the Expression class in demos where appropriate (just need to
>>> change the class name, everything else is the same).
>>>
>> Haven't you already done this everywhere?
> 
> No, just in the Poisson demo. I'll fix the others later.
> 

Any thoughts on how to deal with Dirichlet bcs? Constant works because 
it is a subclass of Function. Do we need a common base class for 
Function and Expression which has an eval function?

Garth

> --
> Anders
> 
> 
>> Garth
>>
>>> 3. Fix Python interface.
>>>
>>> I won't be touching it until tomorrow afternoon so feel free to poke
>>> around.
>>>
>>
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