| c05zcc | nag_check_deriv_1 Derivative checker for c05ubc, thread-safe |
| e04hcc | nag_opt_check_deriv Derivative checker for use with e04kbc |
| e04hdc | nag_opt_check_2nd_deriv Checks second derivatives of a user-defined function |
| e04kbc | nag_opt_bounds_deriv Bound constrained nonlinear minimization (first derivatives required) |