prev_M_n_U_n      252 old_code/2015linfty/backup_dune_heat_algo.hpp 	std::vector<DiscreteFunctionType> prev_M_n_U_n;
prev_M_n_U_n      254 old_code/2015linfty/backup_dune_heat_algo.hpp 		prev_M_n_U_n.push_back(
prev_M_n_U_n      296 old_code/2015linfty/backup_dune_heat_algo.hpp 	ellipticOp.mass_matrix(ie_U_n, prev_M_n_U_n.at(0) );
prev_M_n_U_n      304 old_code/2015linfty/backup_dune_heat_algo.hpp 			  << "prev_M_n_U_n.at(0) = " << *(prev_M_n_U_n.at(0).dbegin()) << std::endl;