xref: /petsc/src/tao/unconstrained/tutorials/output/rosenbrock4_dbfgs_rejects.out (revision 3e6fa7ea8e5fd4baed9b6005d5159317cde144c5)
1iter =   0, Function value 9., Residual: 6.
2iter =   1, Function value 7.21816, Residual: 5.95088
3iter =   2, Function value 5.65482, Residual: 5.01816
4iter =   3, Function value 4.75704, Residual: 10.5299
5iter =   4, Function value 4.06716, Residual: 21.3356
6iter =   5, Function value 2.0834, Residual: 11.9903
7iter =   6, Function value 1.17095, Residual: 9.73895
8iter =   7, Function value 0.870077, Residual: 8.74691
9iter =   8, Function value 0.383667, Residual: 2.42654
10iter =   9, Function value 0.351094, Residual: 1.4684
11iter =  10, Function value 0.332918, Residual: 1.87654
12iter =  11, Function value 0.312951, Residual: 1.25957
13iter =  12, Function value 0.245345, Residual: 1.06067
14iter =  13, Function value 0.160065, Residual: 2.84589
15iter =  14, Function value 0.0916562, Residual: 1.87019
16iter =  15, Function value 0.0496723, Residual: 1.07232
17iter =  16, Function value 0.0158149, Residual: 0.775471
18iter =  17, Function value 0.00579069, Residual: 1.06559
19iter =  18, Function value 0.000547221, Residual: 0.26713
20iter =  19, Function value 0.000179375, Residual: 0.169825
21iter =  20, Function value 9.32084e-05, Residual: 0.132614
22iter =  21, Function value 6.05728e-05, Residual: 0.114998
23iter =  22, Function value 1.05049e-05, Residual: 0.020588
24iter =  23, Function value 6.89895e-06, Residual: 0.0152198
25iter =  24, Function value 4.51204e-06, Residual: 0.00942712
26iter =  25, Function value 4.11255e-06, Residual: 0.0125682
27iter =  26, Function value 3.39556e-06, Residual: 0.00271934
28iter =  27, Function value 3.35014e-06, Residual: 0.00188774
29iter =  28, Function value 3.24672e-06, Residual: 0.0023488
30iter =  29, Function value 2.96597e-06, Residual: 0.00506394
31iter =  30, Function value 2.4229e-06, Residual: 0.00823409
32iter =  31, Function value 1.44489e-06, Residual: 0.0102945
33iter =  32, Function value 6.55679e-07, Residual: 0.0109646
34iter =  33, Function value 2.70019e-07, Residual: 0.00549772
35iter =  34, Function value 9.56495e-08, Residual: 0.00243722
36iter =  35, Function value 2.136e-08, Residual: 0.0010518
37iter =  36, Function value 3.77283e-09, Residual: 0.000513505
38iter =  37, Function value 1.39562e-09, Residual: 0.000472808
39iter =  38, Function value 3.2961e-11, Residual: 6.98847e-05
40Tao Object: 1 MPI process
41  type: blmvm
42  Gradient steps: 0
43  Mat Object: (tao_blmvm_) 1 MPI process
44    type: lmvmdbfgs
45    rows=10, cols=10
46      Max. storage: 5
47      Used storage: 5
48      Number of updates: 30
49      Number of rejects: 7
50      Number of resets: 2
51      J0:
52        Mat Object: (tao_blmvm_mat_lmvm_J0_) 1 MPI process
53          type: constantdiagonal
54          Diagonal value: 82.9837
55      Rescale type: scalar
56      Rescale history: 1
57      Rescale params: alpha=1., beta=0.5, rho=1.
58      Counts: S x : 34, S^T x : 71, Y x : 34,  Y^T x: 34
59  TaoLineSearch Object: 1 MPI process
60    type: more-thuente
61    maximum function evaluations=30
62    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
63    total number of function evaluations=0
64    total number of gradient evaluations=0
65    total number of function/gradient evaluations=1
66    Termination reason: SUCCESS
67  convergence tolerances: gatol=0.0001,   grtol=1e-08,   steptol=0.,   gttol=0.
68  Residual in Function/Gradient:=6.98847e-05
69  Objective value=3.2961e-11
70  total number of iterations=38,                          (max: 2000)
71  total number of function/gradient evaluations=49,      (max: 4000)
72  Solution converged:    ||g(X)|| <= gatol
73