Updated DOFs and nnz
Removed "internal DOFs" from DOFs, since they are only used for stroing information during the solution, have no equations and do not increase the system matrix size according to COMSOL support. Added missing nnz
Removed "internal DOFs" from DOFs, since they are only used for stroing information during the solution, have no equations and do not increase the system matrix size according to COMSOL support. Added missing nnz