[dune-functions] Problems writing vector-valued vtk files

[Christian Engwer]

This would become easier when introducing tensors ;-)

Christian

On Wed, Mar 18, 2015 at 04:18:30PM +0100, Carsten Gräser wrote:
> Am 18.03.2015 um 16:13 schrieb Oliver Sander:
> >>> One could argue that it is called ...scalar... because it uses scalar bases,
> >>> even to create vector-valued functions.  I'm not perfectly sure that this is
> >>> a good long-term point of view.
> >> In the long-term we should get rid of 'scalar'. The only thing
> >> to specify is how to multiply coefficients and values of the local
> >> basis. Maybe we can factor this out in a first step such that one
> >> can povide this as a lambda.
> > 
> > I've been thinking along the same lines.  Getting rid of the 'scalar' would be nice;
> > the users shouldn't have to worry about scalar and nonscalar bases too much.
> I'm afraid he has to. Because if coefficients and basis functions are
> vector-valued, there's no longer a canonical range type for the
> function. It get's even worse, for matrix valued coefficents.
> 
> Best,
> Carsten
> 
> > 
> >>
> >> For the moment I've implemented support for vector/matrix-valued
> >> coefficients only.
> > 
> > Works-for-me, thanks!
> > 
> >>
> >> Best,
> >> Carsten
> >>
> >> BTW:
> >> Generic multiplication of various matrix/vector/scalar
> >> combinations is something we've put a significant amount of
> >> work into in dune-fufem.
> 
> 
> 



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Prof. Dr. Christian Engwer 
Institut für Numerische und Angewandte Mathematik
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