nag_opt_lsq_deriv (e04gbc) Example Program Results
Optional parameter setting for e04gbc.
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Option file: e04gbce.opt
print_level set to Nag_Soln_Iter_Full
step_max set to 1.00e+01
optim_tol set to 1.00e-06
Parameters to e04gbc
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Number of residuals........... 15 Number of variables........... 3
minlin.............. Nag_Lin_Deriv machine precision....... 1.11e-16
optim_tol............... 1.00e-06 linesearch_tol.......... 9.00e-01
step_max................ 1.00e+01 max_iter................ 50
print_level.... Nag_Soln_Iter_Full deriv_check............. Nag_TRUE
outfile................. stdout
Memory allocation:
s....................... Nag
v....................... Nag tdv..................... 3
Results from e04gbc:
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Iteration results:
Itn Nfun Objective Norm g Norm x Norm (x(k-1)-x(k)) Step Grade
0 1 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 2 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 3 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 4 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 -5.7660e-04 6.1250e-02
Itn Nfun Objective Norm g Norm x Norm (x(k-1)-x(k)) Step Grade
4 5 8.2149e-03 5.0e-08 2.6e+00 3.8e-04 1.0e+00 2
x g Singular values
8.24107e-02 3.4234e-08 4.0965e+00
1.13304e+00 8.8965e-09 1.5950e+00
2.34369e+00 -3.4761e-08 6.1258e-02
Itn Nfun Objective Norm g Norm x Norm (x(k-1)-x(k)) Step Grade
5 6 8.2149e-03 4.7e-09 2.6e+00 3.6e-06 1.0e+00 2
x g Singular values
8.24106e-02 9.5237e-11 4.0965e+00
1.13304e+00 3.4598e-09 1.5950e+00
2.34369e+00 -3.1752e-09 6.1258e-02
Final solution:
x g Residuals
8.24106e-02 9.5237e-11 -5.8811e-03
1.13304e+00 3.4598e-09 -2.6536e-04
2.34369e+00 -3.1752e-09 2.7468e-04
6.5415e-03
-8.2300e-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
6.8078e-03
The sum of squares is 8.2149e-03.