I believe you are looking for the functionality of Functions::FEFieldFunction<dim>
L. -- Luca Heltai <[email protected]> http://people.sissa.it/~heltai/ Scuola Internazionale Superiore di Studi Avanzati Phone: +39 040 3787 449, Office: 732 -- There are no answers, only cross references On Feb 22, 2011, at 2:22 PM, Jochen Abhau wrote: > Hi Bärbel, > > no, the exact solution is just given on vertices of a (very fine) > triangulation of the domain. But you are right, in my special situation > I should always be able to rearrange the data on a regular, structured > grid and then I can do the interpolation easily by hand and implement a > Function<dim> object myself. > > Thanks a lot, > Jochen > > Am Dienstag, den 22.02.2011, 14:09 +0100 schrieb Bärbel Janssen: >> Hi Jochen, >> >> does it mean you have the exact solution in any point of your domain? Then >> it could really be easier to write a Function<dim> which you can hand to >> the intergrate_difference function. >> >> I don't think that there is a function in the library that does what you >> seem to require. I would try to implement a Function<dim>. If you need >> more help with that, please let us know. >> >> Best, Bärbel > > > _______________________________________________ > dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii _______________________________________________ dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii
