xref: /petsc/src/tao/unconstrained/tutorials/output/rosenbrock4_bfgs_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 0.875035, Residual: 7.25708
8iter =   7, Function value 0.467193, Residual: 3.63911
9iter =   8, Function value 0.38936, Residual: 2.7394
10iter =   9, Function value 0.351087, Residual: 1.16118
11iter =  10, Function value 0.334967, Residual: 1.24013
12iter =  11, Function value 0.284302, Residual: 1.9873
13iter =  12, Function value 0.22851, Residual: 2.21358
14iter =  13, Function value 0.170904, Residual: 4.12079
15iter =  14, Function value 0.0657284, Residual: 1.4624
16iter =  15, Function value 0.0240229, Residual: 0.710403
17iter =  16, Function value 0.00818341, Residual: 1.02122
18iter =  17, Function value 0.00287008, Residual: 0.316575
19iter =  18, Function value 0.000848176, Residual: 0.154295
20iter =  19, Function value 0.00027607, Residual: 0.0873042
21iter =  20, Function value 9.59067e-05, Residual: 0.0521027
22iter =  21, Function value 7.34959e-05, Residual: 0.0318312
23iter =  22, Function value 5.86586e-05, Residual: 0.0161977
24iter =  23, Function value 5.51076e-05, Residual: 0.0164518
25iter =  24, Function value 5.33172e-05, Residual: 0.0133414
26iter =  25, Function value 5.19044e-05, Residual: 0.0115436
27iter =  26, Function value 4.17492e-05, Residual: 0.0161901
28iter =  27, Function value 3.14629e-05, Residual: 0.0296413
29iter =  28, Function value 1.44459e-05, Residual: 0.0296495
30iter =  29, Function value 7.3315e-06, Residual: 0.0210632
31iter =  30, Function value 3.77034e-06, Residual: 0.0302388
32iter =  31, Function value 3.75718e-07, Residual: 0.00898583
33iter =  32, Function value 1.77511e-09, Residual: 0.000405209
34iter =  33, Function value 7.00757e-10, Residual: 0.000191886
35iter =  34, Function value 1.89244e-10, Residual: 0.000105791
36iter =  35, Function value 2.53528e-11, Residual: 6.86713e-05
37Tao Object: 1 MPI process
38  type: blmvm
39  Gradient steps: 0
40  Mat Object: (tao_blmvm_) 1 MPI process
41    type: lmvmbfgs
42    rows=10, cols=10
43      Max. storage: 5
44      Used storage: 5
45      Number of updates: 29
46      Number of rejects: 5
47      Number of resets: 2
48      J0:
49        Mat Object: (tao_blmvm_mat_lmvm_J0_) 1 MPI process
50          type: constantdiagonal
51          Diagonal value: 48.2013
52      Rescale type: scalar
53      Rescale history: 1
54      Rescale params: alpha=1., beta=0.5, rho=1.
55  TaoLineSearch Object: 1 MPI process
56    type: more-thuente
57    maximum function evaluations=30
58    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
59    total number of function evaluations=0
60    total number of gradient evaluations=0
61    total number of function/gradient evaluations=1
62    Termination reason: SUCCESS
63  convergence tolerances: gatol=0.0001,   grtol=1e-08,   steptol=0.,   gttol=0.
64  Residual in Function/Gradient:=6.86713e-05
65  Objective value=2.53528e-11
66  total number of iterations=35,                          (max: 2000)
67  total number of function/gradient evaluations=42,      (max: 4000)
68  Solution converged:    ||g(X)|| <= gatol
69