xref: /petsc/src/tao/unconstrained/tutorials/output/rosenbrock1_20.out (revision c20d77252dee0f9c80fc6f8b1a6f948e11175edb)
1*c4762a1bSJed Brown  0 TAO,  Function value: 1.,  Residual: 2.
2*c4762a1bSJed Brown    0 LS    Function value: 1.,    Step length: 0.
3*c4762a1bSJed Brown    1 LS    Function value: 99.,    Step length: 1.
4*c4762a1bSJed Brown        stx: 0., fx: 1., dgx: -2.
5*c4762a1bSJed Brown        sty: 0., fy: 1., dgy: -2.
6*c4762a1bSJed Brown    2 LS    Function value: 0.773446,    Step length: 0.174936
7*c4762a1bSJed Brown        stx: 0., fx: 1., dgx: -2.
8*c4762a1bSJed Brown        sty: 1., fy: 99., dgy: 396.
9*c4762a1bSJed Brown  1 TAO,  Function value: 0.773446,  Residual: 6.07754
10*c4762a1bSJed Brown    0 LS    Function value: 0.773446,    Step length: 0.
11*c4762a1bSJed Brown    1 LS    Function value: 0.648599,    Step length: 1.
12*c4762a1bSJed Brown        stx: 0., fx: 0.773446, dgx: -0.154432
13*c4762a1bSJed Brown        sty: 0., fy: 0.773446, dgy: -0.154432
14*c4762a1bSJed Brown  2 TAO,  Function value: 0.648599,  Residual: 3.22619
15*c4762a1bSJed Brown    0 LS    Function value: 0.648599,    Step length: 0.
16*c4762a1bSJed Brown    1 LS    Function value: 0.865442,    Step length: 1.
17*c4762a1bSJed Brown        stx: 0., fx: 0.648599, dgx: -0.340628
18*c4762a1bSJed Brown        sty: 0., fy: 0.648599, dgy: -0.340628
19*c4762a1bSJed Brown    2 LS    Function value: 0.560405,    Step length: 0.38269
20*c4762a1bSJed Brown        stx: 0., fx: 0.648599, dgx: -0.340628
21*c4762a1bSJed Brown        sty: 1., fy: 0.865442, dgy: 1.37753
22*c4762a1bSJed Brown  3 TAO,  Function value: 0.560405,  Residual: 5.47111
23*c4762a1bSJed Brown    0 LS    Function value: 0.560405,    Step length: 0.
24*c4762a1bSJed Brown    1 LS    Function value: 0.379185,    Step length: 1.
25*c4762a1bSJed Brown        stx: 0., fx: 0.560405, dgx: -0.260357
26*c4762a1bSJed Brown        sty: 0., fy: 0.560405, dgy: -0.260357
27*c4762a1bSJed Brown  4 TAO,  Function value: 0.379185,  Residual: 3.01163
28*c4762a1bSJed Brown    0 LS    Function value: 0.379185,    Step length: 0.
29*c4762a1bSJed Brown    1 LS    Function value: 0.280758,    Step length: 1.
30*c4762a1bSJed Brown        stx: 0., fx: 0.379185, dgx: -0.125226
31*c4762a1bSJed Brown        sty: 0., fy: 0.379185, dgy: -0.125226
32*c4762a1bSJed Brown  5 TAO,  Function value: 0.280758,  Residual: 2.6864
33*c4762a1bSJed Brown    0 LS    Function value: 0.280758,    Step length: 0.
34*c4762a1bSJed Brown    1 LS    Function value: 0.187322,    Step length: 1.
35*c4762a1bSJed Brown        stx: 0., fx: 0.280758, dgx: -0.17334
36*c4762a1bSJed Brown        sty: 0., fy: 0.280758, dgy: -0.17334
37*c4762a1bSJed Brown  6 TAO,  Function value: 0.187322,  Residual: 3.78999
38*c4762a1bSJed Brown    0 LS    Function value: 0.187322,    Step length: 0.
39*c4762a1bSJed Brown    1 LS    Function value: 51.7671,    Step length: 1.
40*c4762a1bSJed Brown        stx: 0., fx: 0.187322, dgx: -0.878193
41*c4762a1bSJed Brown        sty: 0., fy: 0.187322, dgy: -0.878193
42*c4762a1bSJed Brown    2 LS    Function value: 0.129225,    Step length: 0.151134
43*c4762a1bSJed Brown        stx: 0., fx: 0.187322, dgx: -0.878193
44*c4762a1bSJed Brown        sty: 1., fy: 51.7671, dgy: 195.182
45*c4762a1bSJed Brown  7 TAO,  Function value: 0.129225,  Residual: 6.25728
46*c4762a1bSJed Brown    0 LS    Function value: 0.129225,    Step length: 0.
47*c4762a1bSJed Brown    1 LS    Function value: 0.10936,    Step length: 1.
48*c4762a1bSJed Brown        stx: 0., fx: 0.129225, dgx: -0.0543519
49*c4762a1bSJed Brown        sty: 0., fy: 0.129225, dgy: -0.0543519
50*c4762a1bSJed Brown  8 TAO,  Function value: 0.10936,  Residual: 0.457052
51*c4762a1bSJed Brown    0 LS    Function value: 0.10936,    Step length: 0.
52*c4762a1bSJed Brown    1 LS    Function value: 0.0850793,    Step length: 1.
53*c4762a1bSJed Brown        stx: 0., fx: 0.10936, dgx: -0.0269836
54*c4762a1bSJed Brown        sty: 0., fy: 0.10936, dgy: -0.0269836
55*c4762a1bSJed Brown  9 TAO,  Function value: 0.0850793,  Residual: 0.9475
56*c4762a1bSJed Brown    0 LS    Function value: 0.0850793,    Step length: 0.
57*c4762a1bSJed Brown    1 LS    Function value: 0.140251,    Step length: 1.
58*c4762a1bSJed Brown        stx: 0., fx: 0.0850793, dgx: -0.0914409
59*c4762a1bSJed Brown        sty: 0., fy: 0.0850793, dgy: -0.0914409
60*c4762a1bSJed Brown    2 LS    Function value: 0.0601238,    Step length: 0.391372
61*c4762a1bSJed Brown        stx: 0., fx: 0.0850793, dgx: -0.0914409
62*c4762a1bSJed Brown        sty: 1., fy: 0.140251, dgy: 0.370421
63*c4762a1bSJed Brown 10 TAO,  Function value: 0.0601238,  Residual: 3.23463
64*c4762a1bSJed Brown    0 LS    Function value: 0.0601238,    Step length: 0.
65*c4762a1bSJed Brown    1 LS    Function value: 0.0405988,    Step length: 1.
66*c4762a1bSJed Brown        stx: 0., fx: 0.0601238, dgx: -0.0273939
67*c4762a1bSJed Brown        sty: 0., fy: 0.0601238, dgy: -0.0273939
68*c4762a1bSJed Brown 11 TAO,  Function value: 0.0405988,  Residual: 3.6698
69*c4762a1bSJed Brown    0 LS    Function value: 0.0405988,    Step length: 0.
70*c4762a1bSJed Brown    1 LS    Function value: 0.0184967,    Step length: 1.
71*c4762a1bSJed Brown        stx: 0., fx: 0.0405988, dgx: -0.0474775
72*c4762a1bSJed Brown        sty: 0., fy: 0.0405988, dgy: -0.0474775
73*c4762a1bSJed Brown 12 TAO,  Function value: 0.0184967,  Residual: 1.7436
74*c4762a1bSJed Brown    0 LS    Function value: 0.0184967,    Step length: 0.
75*c4762a1bSJed Brown    1 LS    Function value: 0.0131862,    Step length: 1.
76*c4762a1bSJed Brown        stx: 0., fx: 0.0184967, dgx: -0.0275755
77*c4762a1bSJed Brown        sty: 0., fy: 0.0184967, dgy: -0.0275755
78*c4762a1bSJed Brown    2 LS    Function value: 0.00898914,    Step length: 0.424226
79*c4762a1bSJed Brown        stx: 1., fx: 0.0131862, dgx: 0.0374264
80*c4762a1bSJed Brown        sty: 0., fy: 0.0184967, dgy: -0.0275755
81*c4762a1bSJed Brown 13 TAO,  Function value: 0.00898914,  Residual: 0.107259
82*c4762a1bSJed Brown    0 LS    Function value: 0.00898914,    Step length: 0.
83*c4762a1bSJed Brown    1 LS    Function value: 0.0141429,    Step length: 1.
84*c4762a1bSJed Brown        stx: 0., fx: 0.00898914, dgx: -0.0135219
85*c4762a1bSJed Brown        sty: 0., fy: 0.00898914, dgy: -0.0135219
86*c4762a1bSJed Brown    2 LS    Function value: 0.00553533,    Step length: 0.409682
87*c4762a1bSJed Brown        stx: 0., fx: 0.00898914, dgx: -0.0135219
88*c4762a1bSJed Brown        sty: 1., fy: 0.0141429, dgy: 0.0362266
89*c4762a1bSJed Brown 14 TAO,  Function value: 0.00553533,  Residual: 1.48455
90*c4762a1bSJed Brown    0 LS    Function value: 0.00553533,    Step length: 0.
91*c4762a1bSJed Brown    1 LS    Function value: 0.00353862,    Step length: 1.
92*c4762a1bSJed Brown        stx: 0., fx: 0.00553533, dgx: -0.00246267
93*c4762a1bSJed Brown        sty: 0., fy: 0.00553533, dgy: -0.00246267
94*c4762a1bSJed Brown 15 TAO,  Function value: 0.00353862,  Residual: 1.42651
95*c4762a1bSJed Brown    0 LS    Function value: 0.00353862,    Step length: 0.
96*c4762a1bSJed Brown    1 LS    Function value: 0.000594656,    Step length: 1.
97*c4762a1bSJed Brown        stx: 0., fx: 0.00353862, dgx: -0.00484385
98*c4762a1bSJed Brown        sty: 0., fy: 0.00353862, dgy: -0.00484385
99*c4762a1bSJed Brown 16 TAO,  Function value: 0.000594656,  Residual: 0.176892
100*c4762a1bSJed Brown    0 LS    Function value: 0.000594656,    Step length: 0.
101*c4762a1bSJed Brown    1 LS    Function value: 0.000129296,    Step length: 1.
102*c4762a1bSJed Brown        stx: 0., fx: 0.000594656, dgx: -0.000852211
103*c4762a1bSJed Brown        sty: 0., fy: 0.000594656, dgy: -0.000852211
104*c4762a1bSJed Brown 17 TAO,  Function value: 0.000129296,  Residual: 0.425951
105*c4762a1bSJed Brown    0 LS    Function value: 0.000129296,    Step length: 0.
106*c4762a1bSJed Brown    1 LS    Function value: 5.17587e-06,    Step length: 1.
107*c4762a1bSJed Brown        stx: 0., fx: 0.000129296, dgx: -0.000270664
108*c4762a1bSJed Brown        sty: 0., fy: 0.000129296, dgy: -0.000270664
109*c4762a1bSJed Brown 18 TAO,  Function value: 5.17587e-06,  Residual: 0.0681965
110*c4762a1bSJed Brown    0 LS    Function value: 5.17587e-06,    Step length: 0.
111*c4762a1bSJed Brown    1 LS    Function value: 3.43742e-08,    Step length: 1.
112*c4762a1bSJed Brown        stx: 0., fx: 5.17587e-06, dgx: -1.10273e-05
113*c4762a1bSJed Brown        sty: 0., fy: 5.17587e-06, dgy: -1.10273e-05
114*c4762a1bSJed Brown 19 TAO,  Function value: 3.43742e-08,  Residual: 0.00754746
115*c4762a1bSJed Brown    0 LS    Function value: 3.43742e-08,    Step length: 0.
116*c4762a1bSJed Brown    1 LS    Function value: 6.71678e-11,    Step length: 1.
117*c4762a1bSJed Brown        stx: 0., fx: 3.43742e-08, dgx: -6.92203e-08
118*c4762a1bSJed Brown        sty: 0., fy: 3.43742e-08, dgy: -6.92203e-08
119*c4762a1bSJed Brown 20 TAO,  Function value: 6.71678e-11,  Residual: 9.78418e-05
120