nag_opt_lsq_no_deriv (e04fcc) Example Program Results Parameters to e04fcc -------------------- Number of residuals........... 15 Number of variables........... 3 optim_tol............... 1.05e-07 linesearch_tol.......... 5.00e-01 step_max................ 1.00e+01 max_iter................ 50 print_level.... Nag_Soln_Iter_Full machine precision....... 1.11e-16 outfile................. stdout Memory allocation: s....................... Nag v....................... Nag tdv..................... 3 Results from e04fcc: ------------------- Iteration results: Itn Nfun Objective Norm g Norm x Norm (x(k-1)-x(k)) Step Grade 0 4 1.0210e+01 3.2e+01 1.9e+00 3 x g Singular values 5.00000e-01 2.1202e+01 4.9542e+00 1.00000e+00 -1.6838e+01 2.5672e+00 1.50000e+00 -1.6353e+01 9.6486e-02 Itn Nfun Objective Norm g Norm x Norm (x(k-1)-x(k)) Step Grade 1 8 1.9873e-01 2.8e+00 2.4e+00 7.2e-01 1.0e+00 3 x g Singular values 8.24763e-02 1.8825e+00 4.1973e+00 1.13575e+00 -1.5133e+00 1.8396e+00 2.06664e+00 -1.5073e+00 6.6356e-02 Itn Nfun Objective Norm g Norm x Norm (x(k-1)-x(k)) Step Grade 2 12 9.2324e-03 1.9e-01 2.6e+00 2.5e-01 1.0e+00 3 x g Singular values 8.24402e-02 1.3523e-01 4.1026e+00 1.13805e+00 -9.4890e-02 1.6131e+00 2.31707e+00 -9.4630e-02 6.1372e-02 Itn Nfun Objective Norm g Norm x Norm (x(k-1)-x(k)) Step Grade 3 16 8.2149e-03 1.2e-03 2.6e+00 2.7e-02 1.0e+00 3 x g Singular values 8.24150e-02 8.1961e-04 4.0965e+00 1.13323e+00 -5.7539e-04 1.5951e+00 2.34337e+00 -5.7659e-04 6.1250e-02 Itn Nfun Objective Norm g Norm x Norm (x(k-1)-x(k)) Step Grade 4 25 8.2149e-03 1.2e-07 2.6e+00 3.8e-04 1.0e+00 2 x g Singular values 8.24106e-02 -7.4010e-08 4.0965e+00 1.13304e+00 8.1389e-08 1.5950e+00 2.34369e+00 3.9688e-08 6.1258e-02 Itn Nfun Objective Norm g Norm x Norm (x(k-1)-x(k)) Step Grade 5 31 8.2149e-03 2.9e-09 2.6e+00 4.1e-06 1.0e+00 2 x g Singular values 8.24106e-02 2.3856e-09 4.0965e+00 1.13304e+00 -1.2799e-09 1.5950e+00 2.34370e+00 -1.1286e-09 6.1258e-02 Final solution: x g Residuals 8.24106e-02 2.3856e-09 -5.8811e-03 1.13304e+00 -1.2799e-09 -2.6534e-04 2.34370e+00 -1.1286e-09 2.7469e-04 6.5415e-03 -8.2299e-04 -1.2995e-03 -4.4631e-03 -1.9963e-02 8.2216e-02 -1.8212e-02 -1.4811e-02 -1.4710e-02 -1.1208e-02 -4.2040e-03 6.8079e-03 The sum of squares is 8.2149e-03.