Benhour, What exactly is your problem? Lots of the examples programs, i.e. step-14, step-15, step-18, step-31, step-32, step-35, step-43 and step-44, use FEValues::get_function_gradients.
Best, Daniel Am Montag, 15. August 2016 03:13:14 UTC+2 schrieb [email protected]: > > Dear All, > I want to extract the first derivative and the gradient of a scalar > function in dealii. Maybe I should use the void FEValuesViews::Scalar > <https://www.dealii.org/8.4.0/doxygen/deal.II/classFEValuesViews_1_1Scalar.html>< > > dim, spacedim >::get_function_gradients. However, I really do not kn ow how > I should use it in a real code. I do really appreciate it if you help me to > write it. > > Best, > Benhour > > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
