xref: /petsc/src/tao/unconstrained/tutorials/output/rosenbrock4_bfgs_rejects.out (revision f13dfd9ea68e0ddeee984e65c377a1819eab8a8a)
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 2.38703e-05, Residual: 0.0537998
23iter =  22, Function value 1.24628e-05, Residual: 0.0295418
24iter =  23, Function value 8.83612e-06, Residual: 0.0164191
25iter =  24, Function value 5.05478e-06, Residual: 0.0102872
26iter =  25, Function value 3.63146e-06, Residual: 0.00527079
27iter =  26, Function value 3.46106e-06, Residual: 0.00557845
28iter =  27, Function value 3.30711e-06, Residual: 0.00230313
29iter =  28, Function value 3.23715e-06, Residual: 0.00244554
30iter =  29, Function value 2.80746e-06, Residual: 0.00559006
31iter =  30, Function value 2.18681e-06, Residual: 0.00839101
32iter =  31, Function value 1.05877e-06, Residual: 0.010349
33iter =  32, Function value 8.6079e-07, Residual: 0.0104813
34iter =  33, Function value 2.20004e-07, Residual: 0.00564676
35iter =  34, Function value 2.18779e-08, Residual: 0.0010248
36iter =  35, Function value 6.78175e-09, Residual: 0.000612843
37iter =  36, Function value 1.22801e-09, Residual: 0.00039596
38iter =  37, Function value 2.07093e-10, Residual: 0.000118131
39iter =  38, Function value 5.2308e-11, Residual: 5.15664e-05
40Tao Object: 1 MPI process
41  type: blmvm
42  Gradient steps: 0
43  Mat Object: (tao_blmvm_) 1 MPI process
44    type: lmvmbfgs
45    rows=10, cols=10
46      Scale type: SCALAR
47      Scale history: 1
48      Scale params: alpha=1., beta=0.5, rho=1.
49      Convex factors: phi=0., theta=0.125
50      Max. storage: 5
51      Used storage: 5
52      Number of updates: 31
53      Number of rejects: 6
54      Number of resets: 2
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: 1
63  convergence tolerances: gatol=0.0001,   steptol=0.,   gttol=0.
64  Residual in Function/Gradient:=5.15664e-05
65  Objective value=5.2308e-11
66  total number of iterations=38,                          (max: 2000)
67  total number of function/gradient evaluations=48,      (max: 4000)
68  Solution converged:    ||g(X)|| <= gatol
69