dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Mon, Mar 10, 2008 at 05:57:15PM +0100, Martin Sandve Alnæs wrote:
> 2008/3/10, Anders Logg <logg@xxxxxxxxx>:
> > On Mon, Mar 10, 2008 at 04:02:33PM +0100, Martin Sandve Alnæs wrote:
> >  > 2008/3/3, Ola Skavhaug <skavhaug@xxxxxxxxx>:
> >  > >  so perhaps the assembler doesn't know what to do. Is there a way of sending
> >  > >  the correct functions (concrete cpp_Functions, for instance) to the assembler?
> >  >
> >  > assemble(..., coefficients=[...])
> >  > but the coefficients list must then include all coefficient functions
> >  > (in order).
> >  >
> >  > Or use the Assembler class directly.
> >
> >
> > It looks to me like you are using FFC forms. Then you don't need to
> >  send any coefficients. All functions that appear in the form will be
> >  extracted and then sent to the (C++) assembler automatically.
> 
> But have you implemented this for Functions(mixed_element)?

No.

> Looks to me like that's what didn't work in Olas code.

I don't think Functions() is needed at all. If element = A + B, then
it's enough to do

f = Function(A, mesh, ...)
g = Function(B, mesh, ...)

-- 
Anders