| e04fcc | nag_opt_lsq_no_deriv Unconstrained nonlinear least squares (no derivatives required) |
| e04jbc | nag_opt_bounds_no_deriv Bound constrained nonlinear minimization (no derivatives required) |
| e04unc | nag_opt_nlin_lsq Solves nonlinear least-squares problems using the sequential QP method |