xref: /petsc/src/tao/unconstrained/tutorials/output/minsurf2_1.out (revision 3e6fa7ea8e5fd4baed9b6005d5159317cde144c5)
1c4762a1bSJed Brown
2c4762a1bSJed Brown---- Minimum Surface Area Problem -----
3c4762a1bSJed Brownmx: 10     my: 8
4c4762a1bSJed Brown
5c4762a1bSJed Browniter =   0, Function value 1.45591, Residual: 0.21372
6c4762a1bSJed Browniter =   1, Function value 1.43049, Residual: 0.132023
7c4762a1bSJed Browniter =   2, Function value 1.42069, Residual: 0.0887699
8c4762a1bSJed Browniter =   3, Function value 1.41857, Residual: 0.0676407
9c4762a1bSJed Browniter =   4, Function value 1.41781, Residual: 0.0161113
10c4762a1bSJed Browniter =   5, Function value 1.41776, Residual: 0.00313094
11c4762a1bSJed Browniter =   6, Function value 1.41776, Residual: 0.00280956
12c4762a1bSJed Browniter =   7, Function value 1.41776, Residual: 0.000935101
138cc725e6SPierre JolivetTao Object: 1 MPI process
14c4762a1bSJed Brown  type: lmvm
15c4762a1bSJed Brown    Gradient steps: 1
16ec9796c4SHansol Suh    LMVM Matrix:
17ec9796c4SHansol Suh      Mat Object: (tao_lmvm_) 1 MPI process
18ec9796c4SHansol Suh        type: lmvmbfgs
19ec9796c4SHansol Suh        Max. storage: 5
20ec9796c4SHansol Suh        Used storage: 5
21ec9796c4SHansol Suh        Number of updates: 6
22ec9796c4SHansol Suh        Number of rejects: 0
23ec9796c4SHansol Suh        Number of resets: 1
2409fb3ddcSToby Isaac        J0:
2509fb3ddcSToby Isaac          Mat Object: (tao_lmvm_mat_lmvm_J0_) 1 MPI process
2609fb3ddcSToby Isaac            type: diagonal
2709fb3ddcSToby Isaac            rows=80, cols=80
2809fb3ddcSToby Isaac              Vec Object: 1 MPI process
2909fb3ddcSToby Isaac                type: seq
3009fb3ddcSToby Isaac        Rescale type: diagonal
3109fb3ddcSToby Isaac        Rescale history: 1
3209fb3ddcSToby Isaac        Rescale params: alpha=1., beta=0.5, rho=1.
3309fb3ddcSToby Isaac        Rescale convex factor: theta=0.125
348cc725e6SPierre Jolivet  TaoLineSearch Object: 1 MPI process
35c4762a1bSJed Brown    type: more-thuente
36c4762a1bSJed Brown    maximum function evaluations=30
37c4762a1bSJed Brown    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
38c4762a1bSJed Brown    total number of function evaluations=0
39c4762a1bSJed Brown    total number of gradient evaluations=0
40c4762a1bSJed Brown    total number of function/gradient evaluations=1
41*1404853cSMatthew G. Knepley    Termination reason: SUCCESS
4209fb3ddcSToby Isaac  convergence tolerances: gatol=0.001,   grtol=1e-08,   steptol=0.,   gttol=0.
43c4762a1bSJed Brown  Residual in Function/Gradient:=0.000935101
44c4762a1bSJed Brown  Objective value=1.41776
45c4762a1bSJed Brown  total number of iterations=7,                          (max: 2000)
46c4762a1bSJed Brown  total number of function/gradient evaluations=8,      (max: 4000)
47c4762a1bSJed Brown  Solution converged:    ||g(X)|| <= gatol
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