Dear all, I still have issues figuring out how to have access to the component index when doing a MatrixFree implementation with complex values. I would really appreciate it if someone could help me.
Thank you very much Regards, H El miércoles, 13 de octubre de 2021 a las 19:07:07 UTC+3, Hermes Sampedro escribió: > Good evening, > > I am implementing the problem presented in step-29 using a MatrixFree > approach as presented in step-37. > > I have few questions that I would like to ask regarding the local_apply() > function (shown in step-37): > > - I am confused about the way of having access to the different > complex components. In this case, as the double for loop (i, j) is > avoided, the condition > > *if(phi.system_to_component_index(i).first==phi.system_to_component_index(j).fsst) > * is > not longer valid. How can I include it in this particular case? > - In step-29 we had in the assemble_system(): *cell_matrix(i, j) > +=(((fe_values.shape_value(i, q_point) *fe_values.shape_value(j, q_point)) > *(-omega * omega) +(fe_values.shape_grad(i, q_point) > *fe_values.shape_grad(j, q_point)) *c * c) *fe_values.JxW(q_point)); * Is > it right to write it here as: > *(omega*omega)*phi.get_values(q)+phi.get_gradient(q)*(c*c)*phi.JxW(q);* > - The same has to be repeated for > > > [image: Captura de pantalla 2021-10-13 a las 18.54.55.png] > > Thank you very much > Regards, > H. > -- 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 dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/ca6ad5c7-9c02-46d8-a1d5-7e5cd2d15acfn%40googlegroups.com.
