nag_opt_one_var_deriv (e04bbc) Example Program Results

(User-supplied callback funct, first invocation.)
The minimum lies in the interval 4.49341 to 4.49341.
Its estimated position is 4.49341,
where the function value is   -2.1723e-01
and the gradient is   -3.7679e-16.
6 function evaluations were required.