nag_opt_handle_solve_nldf (e04gnc) Example Program Results First solve the problem using least squares loss function -------------------------------------------------------- E04GN, Nonlinear Data-Fitting Status: converged, an optimal solution found Final objective value 4.590715E+01 Optimal parameters X (Least Squares): x_idx Value 1 9.44E-02 2 7.74E-01 Now solve the problem using SmoothL1 loss function -------------------------------------------------------- E04GN, Nonlinear Data-Fitting Status: converged, an optimal solution found Final objective value 1.294635E+01 Optimal parameters X (SmoothL1): x_idx Value 1 9.69E-02 2 7.95E-01