nag_opt_lsq_no_deriv (e04fcc) Example Program Results
On exit, the sum of squares is       0.0082
at the point      0.0824      1.1330      2.3437
The estimated gradient is   2.3856e-09  -1.2799e-09  -1.1286e-09
                           (machine dependent)
and the residuals are
 -5.9e-03
 -2.7e-04
  2.7e-04
  6.5e-03
 -8.2e-04
 -1.3e-03
 -4.5e-03
 -2.0e-02
  8.2e-02
 -1.8e-02
 -1.5e-02
 -1.5e-02
 -1.1e-02
 -4.2e-03
  6.8e-03