> Hello, > > thanks for posting the code for obtaining the value of solution in a > given point. > I am going to give it a try. > Nevertheless, I would like to ask, if there is some way how to get a > derivative > of the solution in a given point. Just for a verification purposes, I need to > model single tetrahedron (quadratic) and to get the solution and its > derivative in > arbitrary point inside the tetra. In the code I have posted the method eval of getfem::interpolator_on_mesh_fem evaluates both the value of the field and its gradiet (the third argument). > > getfem::interpolator_on_mesh_fem itpr(mf_T, T); > > getfem::base_vector solA; > > getfem::base_matrix gradA; > > itpr.eval(A, solA, gradA);
Regards, Roman -- Roman Putanowicz, PhD < [email protected] > Institute for Computational Civil Engng (L-5) Dept. of Civil Engng, Cracow Univ. of Technology www.l5.pk.edu.pl, tel. +48 12 628 2569, fax 2034 _______________________________________________ Getfem-users mailing list [email protected] https://mail.gna.org/listinfo/getfem-users
