nag_opt_handle_set_qconstr_fac (e04rtc) Example Program Data 3 2 4 : n, m, nnza 1 1 2 2 : irowa 1 2 2 3 : icola 0.493 0.382 0.270 0.475 : a 0.2 0.4 : b -1.0 -1.0 -1.0 : xl 1.0 1.0 1.0 : xu