xref: /petsc/src/tao/unconstrained/tutorials/output/rosenbrock1_20_alt.out (revision a8a8b9ed81997472b52b7a2a8d3c37cb90a539ed)
1*c5f5e425SStefano Zampini  0 TAO,  Function value: 1.,  Residual: 2.
2*c5f5e425SStefano Zampini    0 LS    Function value: 1.,    Step length: 0.
3*c5f5e425SStefano Zampini    1 LS    Function value: 99.,    Step length: 1.
4*c5f5e425SStefano Zampini        stx: 0., fx: 1., dgx: -2.
5*c5f5e425SStefano Zampini        sty: 0., fy: 1., dgy: -2.
6*c5f5e425SStefano Zampini    2 LS    Function value: 0.773446,    Step length: 0.174936
7*c5f5e425SStefano Zampini        stx: 0., fx: 1., dgx: -2.
8*c5f5e425SStefano Zampini        sty: 1., fy: 99., dgy: 396.
9*c5f5e425SStefano Zampini  1 TAO,  Function value: 0.773446,  Residual: 6.07754
10*c5f5e425SStefano Zampini    0 LS    Function value: 0.773446,    Step length: 0.
11*c5f5e425SStefano Zampini    1 LS    Function value: 0.648599,    Step length: 1.
12*c5f5e425SStefano Zampini        stx: 0., fx: 0.773446, dgx: -0.154432
13*c5f5e425SStefano Zampini        sty: 0., fy: 0.773446, dgy: -0.154432
14*c5f5e425SStefano Zampini  2 TAO,  Function value: 0.648599,  Residual: 3.22619
15*c5f5e425SStefano Zampini    0 LS    Function value: 0.648599,    Step length: 0.
16*c5f5e425SStefano Zampini    1 LS    Function value: 0.865443,    Step length: 1.
17*c5f5e425SStefano Zampini        stx: 0., fx: 0.648599, dgx: -0.340628
18*c5f5e425SStefano Zampini        sty: 0., fy: 0.648599, dgy: -0.340628
19*c5f5e425SStefano Zampini    2 LS    Function value: 0.560405,    Step length: 0.38269
20*c5f5e425SStefano Zampini        stx: 0., fx: 0.648599, dgx: -0.340628
21*c5f5e425SStefano Zampini        sty: 1., fy: 0.865443, dgy: 1.37753
22*c5f5e425SStefano Zampini  3 TAO,  Function value: 0.560405,  Residual: 5.47111
23*c5f5e425SStefano Zampini    0 LS    Function value: 0.560405,    Step length: 0.
24*c5f5e425SStefano Zampini    1 LS    Function value: 0.379185,    Step length: 1.
25*c5f5e425SStefano Zampini        stx: 0., fx: 0.560405, dgx: -0.260357
26*c5f5e425SStefano Zampini        sty: 0., fy: 0.560405, dgy: -0.260357
27*c5f5e425SStefano Zampini  4 TAO,  Function value: 0.379185,  Residual: 3.01164
28*c5f5e425SStefano Zampini    0 LS    Function value: 0.379185,    Step length: 0.
29*c5f5e425SStefano Zampini    1 LS    Function value: 0.280758,    Step length: 1.
30*c5f5e425SStefano Zampini        stx: 0., fx: 0.379185, dgx: -0.125226
31*c5f5e425SStefano Zampini        sty: 0., fy: 0.379185, dgy: -0.125226
32*c5f5e425SStefano Zampini  5 TAO,  Function value: 0.280758,  Residual: 2.68639
33*c5f5e425SStefano Zampini    0 LS    Function value: 0.280758,    Step length: 0.
34*c5f5e425SStefano Zampini    1 LS    Function value: 0.187321,    Step length: 1.
35*c5f5e425SStefano Zampini        stx: 0., fx: 0.280758, dgx: -0.173338
36*c5f5e425SStefano Zampini        sty: 0., fy: 0.280758, dgy: -0.173338
37*c5f5e425SStefano Zampini  6 TAO,  Function value: 0.187321,  Residual: 3.78983
38*c5f5e425SStefano Zampini    0 LS    Function value: 0.187321,    Step length: 0.
39*c5f5e425SStefano Zampini    1 LS    Function value: 51.7692,    Step length: 1.
40*c5f5e425SStefano Zampini        stx: 0., fx: 0.187321, dgx: -0.878193
41*c5f5e425SStefano Zampini        sty: 0., fy: 0.187321, dgy: -0.878193
42*c5f5e425SStefano Zampini    2 LS    Function value: 0.129228,    Step length: 0.151133
43*c5f5e425SStefano Zampini        stx: 0., fx: 0.187321, dgx: -0.878193
44*c5f5e425SStefano Zampini        sty: 1., fy: 51.7692, dgy: 195.19
45*c5f5e425SStefano Zampini  7 TAO,  Function value: 0.129228,  Residual: 6.25765
46*c5f5e425SStefano Zampini    0 LS    Function value: 0.129228,    Step length: 0.
47*c5f5e425SStefano Zampini    1 LS    Function value: 0.109362,    Step length: 1.
48*c5f5e425SStefano Zampini        stx: 0., fx: 0.129228, dgx: -0.05436
49*c5f5e425SStefano Zampini        sty: 0., fy: 0.129228, dgy: -0.05436
50*c5f5e425SStefano Zampini  8 TAO,  Function value: 0.109362,  Residual: 0.456988
51*c5f5e425SStefano Zampini    0 LS    Function value: 0.109362,    Step length: 0.
52*c5f5e425SStefano Zampini    1 LS    Function value: 0.0850818,    Step length: 1.
53*c5f5e425SStefano Zampini        stx: 0., fx: 0.109362, dgx: -0.0269832
54*c5f5e425SStefano Zampini        sty: 0., fy: 0.109362, dgy: -0.0269832
55*c5f5e425SStefano Zampini  9 TAO,  Function value: 0.0850818,  Residual: 0.947506
56*c5f5e425SStefano Zampini    0 LS    Function value: 0.0850818,    Step length: 0.
57*c5f5e425SStefano Zampini    1 LS    Function value: 0.140264,    Step length: 1.
58*c5f5e425SStefano Zampini        stx: 0., fx: 0.0850818, dgx: -0.091443
59*c5f5e425SStefano Zampini        sty: 0., fy: 0.0850818, dgy: -0.091443
60*c5f5e425SStefano Zampini    2 LS    Function value: 0.0601269,    Step length: 0.391355
61*c5f5e425SStefano Zampini        stx: 0., fx: 0.0850818, dgx: -0.091443
62*c5f5e425SStefano Zampini        sty: 1., fy: 0.140264, dgy: 0.37046
63*c5f5e425SStefano Zampini 10 TAO,  Function value: 0.0601269,  Residual: 3.23466
64*c5f5e425SStefano Zampini    0 LS    Function value: 0.0601269,    Step length: 0.
65*c5f5e425SStefano Zampini    1 LS    Function value: 0.0406023,    Step length: 1.
66*c5f5e425SStefano Zampini        stx: 0., fx: 0.0601269, dgx: -0.0273931
67*c5f5e425SStefano Zampini        sty: 0., fy: 0.0601269, dgy: -0.0273931
68*c5f5e425SStefano Zampini 11 TAO,  Function value: 0.0406023,  Residual: 3.66996
69*c5f5e425SStefano Zampini    0 LS    Function value: 0.0406023,    Step length: 0.
70*c5f5e425SStefano Zampini    1 LS    Function value: 0.0184967,    Step length: 1.
71*c5f5e425SStefano Zampini        stx: 0., fx: 0.0406023, dgx: -0.0474778
72*c5f5e425SStefano Zampini        sty: 0., fy: 0.0406023, dgy: -0.0474778
73*c5f5e425SStefano Zampini 12 TAO,  Function value: 0.0184967,  Residual: 1.74284
74*c5f5e425SStefano Zampini    0 LS    Function value: 0.0184967,    Step length: 0.
75*c5f5e425SStefano Zampini    1 LS    Function value: 0.0131885,    Step length: 1.
76*c5f5e425SStefano Zampini        stx: 0., fx: 0.0184967, dgx: -0.0275729
77*c5f5e425SStefano Zampini        sty: 0., fy: 0.0184967, dgy: -0.0275729
78*c5f5e425SStefano Zampini    2 LS    Function value: 0.00899069,    Step length: 0.424201
79*c5f5e425SStefano Zampini        stx: 1., fx: 0.0131885, dgx: 0.0374267
80*c5f5e425SStefano Zampini        sty: 0., fy: 0.0184967, dgy: -0.0275729
81*c5f5e425SStefano Zampini 13 TAO,  Function value: 0.00899069,  Residual: 0.107492
82*c5f5e425SStefano Zampini    0 LS    Function value: 0.00899069,    Step length: 0.
83*c5f5e425SStefano Zampini    1 LS    Function value: 0.0141384,    Step length: 1.
84*c5f5e425SStefano Zampini        stx: 0., fx: 0.00899069, dgx: -0.0135205
85*c5f5e425SStefano Zampini        sty: 0., fy: 0.00899069, dgy: -0.0135205
86*c5f5e425SStefano Zampini    2 LS    Function value: 0.00553656,    Step length: 0.409773
87*c5f5e425SStefano Zampini        stx: 0., fx: 0.00899069, dgx: -0.0135205
88*c5f5e425SStefano Zampini        sty: 1., fy: 0.0141384, dgy: 0.0362072
89*c5f5e425SStefano Zampini 14 TAO,  Function value: 0.00553656,  Residual: 1.48494
90*c5f5e425SStefano Zampini    0 LS    Function value: 0.00553656,    Step length: 0.
91*c5f5e425SStefano Zampini    1 LS    Function value: 0.00353901,    Step length: 1.
92*c5f5e425SStefano Zampini        stx: 0., fx: 0.00553656, dgx: -0.00246358
93*c5f5e425SStefano Zampini        sty: 0., fy: 0.00553656, dgy: -0.00246358
94*c5f5e425SStefano Zampini 15 TAO,  Function value: 0.00353901,  Residual: 1.42655
95*c5f5e425SStefano Zampini    0 LS    Function value: 0.00353901,    Step length: 0.
96*c5f5e425SStefano Zampini    1 LS    Function value: 0.000594822,    Step length: 1.
97*c5f5e425SStefano Zampini        stx: 0., fx: 0.00353901, dgx: -0.00484465
98*c5f5e425SStefano Zampini        sty: 0., fy: 0.00353901, dgy: -0.00484465
99*c5f5e425SStefano Zampini 16 TAO,  Function value: 0.000594822,  Residual: 0.176376
100*c5f5e425SStefano Zampini    0 LS    Function value: 0.000594822,    Step length: 0.
101*c5f5e425SStefano Zampini    1 LS    Function value: 0.000129439,    Step length: 1.
102*c5f5e425SStefano Zampini        stx: 0., fx: 0.000594822, dgx: -0.000852867
103*c5f5e425SStefano Zampini        sty: 0., fy: 0.000594822, dgy: -0.000852867
104*c5f5e425SStefano Zampini 17 TAO,  Function value: 0.000129439,  Residual: 0.426449
105*c5f5e425SStefano Zampini    0 LS    Function value: 0.000129439,    Step length: 0.
106*c5f5e425SStefano Zampini    1 LS    Function value: 5.14193e-06,    Step length: 1.
107*c5f5e425SStefano Zampini        stx: 0., fx: 0.000129439, dgx: -0.000270621
108*c5f5e425SStefano Zampini        sty: 0., fy: 0.000129439, dgy: -0.000270621
109*c5f5e425SStefano Zampini 18 TAO,  Function value: 5.14193e-06,  Residual: 0.0674659
110*c5f5e425SStefano Zampini    0 LS    Function value: 5.14193e-06,    Step length: 0.
111*c5f5e425SStefano Zampini    1 LS    Function value: 3.35996e-08,    Step length: 1.
112*c5f5e425SStefano Zampini        stx: 0., fx: 5.14193e-06, dgx: -1.09484e-05
113*c5f5e425SStefano Zampini        sty: 0., fy: 5.14193e-06, dgy: -1.09484e-05
114*c5f5e425SStefano Zampini 19 TAO,  Function value: 3.35996e-08,  Residual: 0.00748038
115*c5f5e425SStefano Zampini    0 LS    Function value: 3.35996e-08,    Step length: 0.
116*c5f5e425SStefano Zampini    1 LS    Function value: 6.88338e-11,    Step length: 1.
117*c5f5e425SStefano Zampini        stx: 0., fx: 3.35996e-08, dgx: -6.76065e-08
118*c5f5e425SStefano Zampini        sty: 0., fy: 3.35996e-08, dgy: -6.76065e-08
119*c5f5e425SStefano Zampini 20 TAO,  Function value: 6.88338e-11,  Residual: 0.000118289
120*c5f5e425SStefano Zampini    0 LS    Function value: 6.88338e-11,    Step length: 0.
121*c5f5e425SStefano Zampini    1 LS    Function value: 6.39488e-13,    Step length: 1.
122*c5f5e425SStefano Zampini        stx: 0., fx: 6.88338e-11, dgx: -1.27271e-10
123*c5f5e425SStefano Zampini        sty: 0., fy: 6.88338e-11, dgy: -1.27271e-10
124*c5f5e425SStefano Zampini 21 TAO,  Function value: 6.39488e-13,  Residual: 2.54343e-05
125