Re: [deal.II] Adding rows on system matrix connecting to dof

2018-04-20 Thread Wolfgang Bangerth
On 04/15/2018 07:30 PM, Jaekwang Kim wrote: and I think I should add this cell_matrix(i,j) and cell_rhs(i) to my system matrix. Yes. but not overlapping the rows that describe weakform of original poisson equation.. so I think i should not use them... for (unsigned int i=0; iIn this si

[deal.II] Adding rows on system matrix connecting to dof

2018-04-15 Thread Jaekwang Kim
Hi, all I have a question on using deal.ii for solving unknown boundary condition problem. I have thought the most minimized related to my question. where I consider a navies slip boundary condition, and I have tried to solve this with finite difference. For more demonstration please see fol