xref: /petsc/src/tao/unconstrained/tutorials/output/rosenbrock1_20.out (revision c20d77252dee0f9c80fc6f8b1a6f948e11175edb)
1  0 TAO,  Function value: 1.,  Residual: 2.
2    0 LS    Function value: 1.,    Step length: 0.
3    1 LS    Function value: 99.,    Step length: 1.
4        stx: 0., fx: 1., dgx: -2.
5        sty: 0., fy: 1., dgy: -2.
6    2 LS    Function value: 0.773446,    Step length: 0.174936
7        stx: 0., fx: 1., dgx: -2.
8        sty: 1., fy: 99., dgy: 396.
9  1 TAO,  Function value: 0.773446,  Residual: 6.07754
10    0 LS    Function value: 0.773446,    Step length: 0.
11    1 LS    Function value: 0.648599,    Step length: 1.
12        stx: 0., fx: 0.773446, dgx: -0.154432
13        sty: 0., fy: 0.773446, dgy: -0.154432
14  2 TAO,  Function value: 0.648599,  Residual: 3.22619
15    0 LS    Function value: 0.648599,    Step length: 0.
16    1 LS    Function value: 0.865442,    Step length: 1.
17        stx: 0., fx: 0.648599, dgx: -0.340628
18        sty: 0., fy: 0.648599, dgy: -0.340628
19    2 LS    Function value: 0.560405,    Step length: 0.38269
20        stx: 0., fx: 0.648599, dgx: -0.340628
21        sty: 1., fy: 0.865442, dgy: 1.37753
22  3 TAO,  Function value: 0.560405,  Residual: 5.47111
23    0 LS    Function value: 0.560405,    Step length: 0.
24    1 LS    Function value: 0.379185,    Step length: 1.
25        stx: 0., fx: 0.560405, dgx: -0.260357
26        sty: 0., fy: 0.560405, dgy: -0.260357
27  4 TAO,  Function value: 0.379185,  Residual: 3.01163
28    0 LS    Function value: 0.379185,    Step length: 0.
29    1 LS    Function value: 0.280758,    Step length: 1.
30        stx: 0., fx: 0.379185, dgx: -0.125226
31        sty: 0., fy: 0.379185, dgy: -0.125226
32  5 TAO,  Function value: 0.280758,  Residual: 2.6864
33    0 LS    Function value: 0.280758,    Step length: 0.
34    1 LS    Function value: 0.187322,    Step length: 1.
35        stx: 0., fx: 0.280758, dgx: -0.17334
36        sty: 0., fy: 0.280758, dgy: -0.17334
37  6 TAO,  Function value: 0.187322,  Residual: 3.78999
38    0 LS    Function value: 0.187322,    Step length: 0.
39    1 LS    Function value: 51.7671,    Step length: 1.
40        stx: 0., fx: 0.187322, dgx: -0.878193
41        sty: 0., fy: 0.187322, dgy: -0.878193
42    2 LS    Function value: 0.129225,    Step length: 0.151134
43        stx: 0., fx: 0.187322, dgx: -0.878193
44        sty: 1., fy: 51.7671, dgy: 195.182
45  7 TAO,  Function value: 0.129225,  Residual: 6.25728
46    0 LS    Function value: 0.129225,    Step length: 0.
47    1 LS    Function value: 0.10936,    Step length: 1.
48        stx: 0., fx: 0.129225, dgx: -0.0543519
49        sty: 0., fy: 0.129225, dgy: -0.0543519
50  8 TAO,  Function value: 0.10936,  Residual: 0.457052
51    0 LS    Function value: 0.10936,    Step length: 0.
52    1 LS    Function value: 0.0850793,    Step length: 1.
53        stx: 0., fx: 0.10936, dgx: -0.0269836
54        sty: 0., fy: 0.10936, dgy: -0.0269836
55  9 TAO,  Function value: 0.0850793,  Residual: 0.9475
56    0 LS    Function value: 0.0850793,    Step length: 0.
57    1 LS    Function value: 0.140251,    Step length: 1.
58        stx: 0., fx: 0.0850793, dgx: -0.0914409
59        sty: 0., fy: 0.0850793, dgy: -0.0914409
60    2 LS    Function value: 0.0601238,    Step length: 0.391372
61        stx: 0., fx: 0.0850793, dgx: -0.0914409
62        sty: 1., fy: 0.140251, dgy: 0.370421
63 10 TAO,  Function value: 0.0601238,  Residual: 3.23463
64    0 LS    Function value: 0.0601238,    Step length: 0.
65    1 LS    Function value: 0.0405988,    Step length: 1.
66        stx: 0., fx: 0.0601238, dgx: -0.0273939
67        sty: 0., fy: 0.0601238, dgy: -0.0273939
68 11 TAO,  Function value: 0.0405988,  Residual: 3.6698
69    0 LS    Function value: 0.0405988,    Step length: 0.
70    1 LS    Function value: 0.0184967,    Step length: 1.
71        stx: 0., fx: 0.0405988, dgx: -0.0474775
72        sty: 0., fy: 0.0405988, dgy: -0.0474775
73 12 TAO,  Function value: 0.0184967,  Residual: 1.7436
74    0 LS    Function value: 0.0184967,    Step length: 0.
75    1 LS    Function value: 0.0131862,    Step length: 1.
76        stx: 0., fx: 0.0184967, dgx: -0.0275755
77        sty: 0., fy: 0.0184967, dgy: -0.0275755
78    2 LS    Function value: 0.00898914,    Step length: 0.424226
79        stx: 1., fx: 0.0131862, dgx: 0.0374264
80        sty: 0., fy: 0.0184967, dgy: -0.0275755
81 13 TAO,  Function value: 0.00898914,  Residual: 0.107259
82    0 LS    Function value: 0.00898914,    Step length: 0.
83    1 LS    Function value: 0.0141429,    Step length: 1.
84        stx: 0., fx: 0.00898914, dgx: -0.0135219
85        sty: 0., fy: 0.00898914, dgy: -0.0135219
86    2 LS    Function value: 0.00553533,    Step length: 0.409682
87        stx: 0., fx: 0.00898914, dgx: -0.0135219
88        sty: 1., fy: 0.0141429, dgy: 0.0362266
89 14 TAO,  Function value: 0.00553533,  Residual: 1.48455
90    0 LS    Function value: 0.00553533,    Step length: 0.
91    1 LS    Function value: 0.00353862,    Step length: 1.
92        stx: 0., fx: 0.00553533, dgx: -0.00246267
93        sty: 0., fy: 0.00553533, dgy: -0.00246267
94 15 TAO,  Function value: 0.00353862,  Residual: 1.42651
95    0 LS    Function value: 0.00353862,    Step length: 0.
96    1 LS    Function value: 0.000594656,    Step length: 1.
97        stx: 0., fx: 0.00353862, dgx: -0.00484385
98        sty: 0., fy: 0.00353862, dgy: -0.00484385
99 16 TAO,  Function value: 0.000594656,  Residual: 0.176892
100    0 LS    Function value: 0.000594656,    Step length: 0.
101    1 LS    Function value: 0.000129296,    Step length: 1.
102        stx: 0., fx: 0.000594656, dgx: -0.000852211
103        sty: 0., fy: 0.000594656, dgy: -0.000852211
104 17 TAO,  Function value: 0.000129296,  Residual: 0.425951
105    0 LS    Function value: 0.000129296,    Step length: 0.
106    1 LS    Function value: 5.17587e-06,    Step length: 1.
107        stx: 0., fx: 0.000129296, dgx: -0.000270664
108        sty: 0., fy: 0.000129296, dgy: -0.000270664
109 18 TAO,  Function value: 5.17587e-06,  Residual: 0.0681965
110    0 LS    Function value: 5.17587e-06,    Step length: 0.
111    1 LS    Function value: 3.43742e-08,    Step length: 1.
112        stx: 0., fx: 5.17587e-06, dgx: -1.10273e-05
113        sty: 0., fy: 5.17587e-06, dgy: -1.10273e-05
114 19 TAO,  Function value: 3.43742e-08,  Residual: 0.00754746
115    0 LS    Function value: 3.43742e-08,    Step length: 0.
116    1 LS    Function value: 6.71678e-11,    Step length: 1.
117        stx: 0., fx: 3.43742e-08, dgx: -6.92203e-08
118        sty: 0., fy: 3.43742e-08, dgy: -6.92203e-08
119 20 TAO,  Function value: 6.71678e-11,  Residual: 9.78418e-05
120