-
Notifications
You must be signed in to change notification settings - Fork 5
/
Copy path1.6.0-DEV-4c805d2310.log
1488 lines (1487 loc) · 130 KB
/
1.6.0-DEV-4c805d2310.log
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
Julia Version 1.6.0-DEV.913
Commit 4c805d2310 (2020-09-14 14:07 UTC)
Platform Info:
OS: Linux (x86_64-pc-linux-gnu)
CPU: Intel(R) Xeon(R) Silver 4114 CPU @ 2.20GHz
WORD_SIZE: 64
LIBM: libopenlibm
LLVM: libLLVM-9.0.1 (ORCJIT, skylake-avx512)
Environment:
JULIA_DEPOT_PATH = ::/usr/local/share/julia
JULIA_NUM_THREADS = 2
Resolving package versions...
[ Info: LEGAL NOTICE: package operations send anonymous data about your system to https://pkg.julialang.org (your current package server), including the operating system and Julia versions you are using, and a random client UUID. Running `Pkg.telemetryinfo()` will show exactly what data is sent. See https://julialang.org/legal/data/ for more details about what this data is used for, how long it is retained, and how to opt out of sending it.
Installed OptimKit ─ v0.3.1
Updating `~/.julia/environments/v1.6/Project.toml`
[77e91f04] + OptimKit v0.3.1
Updating `~/.julia/environments/v1.6/Manifest.toml`
[77e91f04] + OptimKit v0.3.1
[8f399da3] + Libdl
[37e2e46d] + LinearAlgebra
[de0858da] + Printf
[4ec0a83e] + Unicode
Testing OptimKit
Status `/tmp/jl_ehe3z1/Project.toml`
[77e91f04] OptimKit v0.3.1
[37e2e46d] LinearAlgebra
[de0858da] Printf
[9a3f8284] Random
[8dfed614] Test
Status `/tmp/jl_ehe3z1/Manifest.toml`
[77e91f04] OptimKit v0.3.1
[2a0f44e3] Base64
[8ba89e20] Distributed
[b77e0a4c] InteractiveUtils
[8f399da3] Libdl
[37e2e46d] LinearAlgebra
[56ddb016] Logging
[d6f4376e] Markdown
[de0858da] Printf
[9a3f8284] Random
[9e88b42a] Serialization
[6462fe0b] Sockets
[8dfed614] Test
[4ec0a83e] Unicode
Testing Running tests...
Test Summary: | Pass Total
Linesearch | 1500 1500
Test Summary: | Pass Total
Linesearch | 1500 1500
Test Summary: | Pass Total
Linesearch | 1500 1500
Test Summary: | Pass Total
Linesearch | 1500 1500
Test Summary: | Pass Total
Linesearch | 1500 1500
Test Summary: | Pass Total
Linesearch | 1500 1500
[ Info: GD: initializing with f = 48.196380586477, ‖∇f‖ = 3.9444e+01
[ Info: GD: iter 1: f = 9.620153538184, ‖∇f‖ = 1.2687e+01, α = 4.96e-02, nfg = 3
[ Info: GD: iter 2: f = 5.871759394254, ‖∇f‖ = 6.0063e+00, α = 4.66e-02, nfg = 2
[ Info: GD: iter 3: f = 4.653610561103, ‖∇f‖ = 5.0025e+00, α = 6.75e-02, nfg = 2
[ Info: GD: iter 4: f = 3.933450436716, ‖∇f‖ = 3.9687e+00, α = 5.76e-02, nfg = 2
[ Info: GD: iter 5: f = 3.379482644341, ‖∇f‖ = 3.8706e+00, α = 7.03e-02, nfg = 2
[ Info: GD: iter 6: f = 2.945590099495, ‖∇f‖ = 3.1197e+00, α = 5.79e-02, nfg = 2
[ Info: GD: iter 7: f = 2.601298081060, ‖∇f‖ = 3.0795e+00, α = 7.08e-02, nfg = 2
[ Info: GD: iter 8: f = 2.325269922048, ‖∇f‖ = 2.5100e+00, α = 5.82e-02, nfg = 2
[ Info: GD: iter 9: f = 2.100942682843, ‖∇f‖ = 2.5104e+00, α = 7.12e-02, nfg = 2
[ Info: GD: iter 10: f = 1.916465289127, ‖∇f‖ = 2.0723e+00, α = 5.85e-02, nfg = 2
[ Info: GD: iter 11: f = 1.762428339977, ‖∇f‖ = 2.1030e+00, α = 7.17e-02, nfg = 2
[ Info: GD: iter 12: f = 1.632166221151, ‖∇f‖ = 1.7596e+00, α = 5.89e-02, nfg = 2
[ Info: GD: iter 13: f = 1.520276881323, ‖∇f‖ = 1.8122e+00, α = 7.23e-02, nfg = 2
[ Info: GD: iter 14: f = 1.422981476663, ‖∇f‖ = 1.5359e+00, α = 5.93e-02, nfg = 2
[ Info: GD: iter 15: f = 1.337153501697, ‖∇f‖ = 1.6031e+00, α = 7.28e-02, nfg = 2
[ Info: GD: iter 16: f = 1.260627782679, ‖∇f‖ = 1.3738e+00, α = 5.96e-02, nfg = 2
[ Info: GD: iter 17: f = 1.191577233733, ‖∇f‖ = 1.4497e+00, α = 7.32e-02, nfg = 2
[ Info: GD: iter 18: f = 1.128741323900, ‖∇f‖ = 1.2532e+00, α = 5.98e-02, nfg = 2
[ Info: GD: iter 19: f = 1.071037044232, ‖∇f‖ = 1.3335e+00, α = 7.35e-02, nfg = 2
[ Info: GD: iter 20: f = 1.017713162972, ‖∇f‖ = 1.1601e+00, α = 6.00e-02, nfg = 2
[ Info: GD: iter 21: f = 0.968113618706, ‖∇f‖ = 1.2418e+00, α = 7.37e-02, nfg = 2
[ Info: GD: iter 22: f = 0.921775918746, ‖∇f‖ = 1.0851e+00, α = 6.01e-02, nfg = 2
[ Info: GD: iter 23: f = 0.878289987758, ‖∇f‖ = 1.1663e+00, α = 7.39e-02, nfg = 2
[ Info: GD: iter 24: f = 0.837358890325, ‖∇f‖ = 1.0222e+00, α = 6.02e-02, nfg = 2
[ Info: GD: iter 25: f = 0.798715537673, ‖∇f‖ = 1.1017e+00, α = 7.40e-02, nfg = 2
[ Info: GD: iter 26: f = 0.762159560070, ‖∇f‖ = 9.6752e-01, α = 6.02e-02, nfg = 2
[ Info: GD: iter 27: f = 0.727508290004, ‖∇f‖ = 1.0447e+00, α = 7.40e-02, nfg = 2
[ Info: GD: iter 28: f = 0.694619058779, ‖∇f‖ = 9.1865e-01, α = 6.03e-02, nfg = 2
[ Info: GD: iter 29: f = 0.663360227332, ‖∇f‖ = 9.9311e-01, α = 7.41e-02, nfg = 2
[ Info: GD: iter 30: f = 0.633624722854, ‖∇f‖ = 8.7409e-01, α = 6.03e-02, nfg = 2
[ Info: GD: iter 31: f = 0.605312746937, ‖∇f‖ = 9.4572e-01, α = 7.41e-02, nfg = 2
[ Info: GD: iter 32: f = 0.578340070594, ‖∇f‖ = 8.3288e-01, α = 6.03e-02, nfg = 2
[ Info: GD: iter 33: f = 0.552627563795, ‖∇f‖ = 9.0163e-01, α = 7.41e-02, nfg = 2
[ Info: GD: iter 34: f = 0.528106341727, ‖∇f‖ = 7.9438e-01, α = 6.03e-02, nfg = 2
[ Info: GD: iter 35: f = 0.504711312505, ‖∇f‖ = 8.6028e-01, α = 7.41e-02, nfg = 2
[ Info: GD: iter 36: f = 0.482384413725, ‖∇f‖ = 7.5817e-01, α = 6.03e-02, nfg = 2
[ Info: GD: iter 37: f = 0.461070557059, ‖∇f‖ = 8.2129e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 38: f = 0.440719691248, ‖∇f‖ = 7.2396e-01, α = 6.03e-02, nfg = 2
[ Info: GD: iter 39: f = 0.421284199147, ‖∇f‖ = 7.8438e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 40: f = 0.402720228525, ‖∇f‖ = 6.9152e-01, α = 6.03e-02, nfg = 2
[ Info: GD: iter 41: f = 0.384985985204, ‖∇f‖ = 7.4934e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 42: f = 0.368042599731, ‖∇f‖ = 6.6070e-01, α = 6.03e-02, nfg = 2
[ Info: GD: iter 43: f = 0.351852984132, ‖∇f‖ = 7.1602e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 44: f = 0.336382399774, ‖∇f‖ = 6.3137e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 45: f = 0.321597675704, ‖∇f‖ = 6.8429e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 46: f = 0.307467581372, ‖∇f‖ = 6.0343e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 47: f = 0.293962281527, ‖∇f‖ = 6.5404e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 48: f = 0.281053579914, ‖∇f‖ = 5.7678e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 49: f = 0.268714531869, ‖∇f‖ = 6.2518e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 50: f = 0.256919601867, ‖∇f‖ = 5.5135e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 51: f = 0.245644383102, ‖∇f‖ = 5.9764e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 52: f = 0.234865697110, ‖∇f‖ = 5.2707e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 53: f = 0.224561387149, ‖∇f‖ = 5.7134e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 54: f = 0.214710378696, ‖∇f‖ = 5.0389e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 55: f = 0.205292524528, ‖∇f‖ = 5.4622e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 56: f = 0.196288638784, ‖∇f‖ = 4.8174e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 57: f = 0.187680378781, ‖∇f‖ = 5.2222e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 58: f = 0.179450261286, ‖∇f‖ = 4.6058e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 59: f = 0.171581570789, ‖∇f‖ = 4.9929e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 60: f = 0.164058363903, ‖∇f‖ = 4.4036e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 61: f = 0.156865396958, ‖∇f‖ = 4.7737e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 62: f = 0.149988122600, ‖∇f‖ = 4.2103e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 63: f = 0.143412631674, ‖∇f‖ = 4.5643e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 64: f = 0.137125644840, ‖∇f‖ = 4.0256e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 65: f = 0.131114465172, ‖∇f‖ = 4.3640e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 66: f = 0.125366966723, ‖∇f‖ = 3.8490e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 67: f = 0.119871555266, ‖∇f‖ = 4.1726e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 68: f = 0.114617155152, ‖∇f‖ = 3.6802e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 69: f = 0.109593176329, ‖∇f‖ = 3.9896e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 70: f = 0.104789500390, ‖∇f‖ = 3.5189e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 71: f = 0.100196452508, ‖∇f‖ = 3.8147e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 72: f = 0.095804787297, ‖∇f‖ = 3.3646e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 73: f = 0.091605664646, ‖∇f‖ = 3.6475e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 74: f = 0.087590635790, ‖∇f‖ = 3.2171e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 75: f = 0.083751622304, ‖∇f‖ = 3.4876e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 76: f = 0.080080902637, ‖∇f‖ = 3.0760e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 77: f = 0.076571093685, ‖∇f‖ = 3.3347e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 78: f = 0.073215137963, ‖∇f‖ = 2.9412e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 79: f = 0.070006287316, ‖∇f‖ = 3.1885e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 80: f = 0.066938090816, ‖∇f‖ = 2.8123e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 81: f = 0.064004380269, ‖∇f‖ = 3.0488e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 82: f = 0.061199258884, ‖∇f‖ = 2.6890e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 83: f = 0.058517088314, ‖∇f‖ = 2.9151e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 84: f = 0.055952478091, ‖∇f‖ = 2.5712e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 85: f = 0.053500274003, ‖∇f‖ = 2.7874e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 86: f = 0.051155548284, ‖∇f‖ = 2.4585e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 87: f = 0.048913589140, ‖∇f‖ = 2.6652e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 88: f = 0.046769891680, ‖∇f‖ = 2.3507e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 89: f = 0.044720148452, ‖∇f‖ = 2.5484e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 90: f = 0.042760241071, ‖∇f‖ = 2.2477e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 91: f = 0.040886231651, ‖∇f‖ = 2.4367e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 92: f = 0.039094355098, ‖∇f‖ = 2.1492e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 93: f = 0.037381011328, ‖∇f‖ = 2.3299e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 94: f = 0.035742758189, ‖∇f‖ = 2.0550e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 95: f = 0.034176304384, ‖∇f‖ = 2.2278e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 96: f = 0.032678502974, ‖∇f‖ = 1.9649e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 97: f = 0.031246344934, ‖∇f‖ = 2.1301e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 98: f = 0.029876953196, ‖∇f‖ = 1.8788e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 99: f = 0.028567576781, ‖∇f‖ = 2.0368e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 100: f = 0.027315585330, ‖∇f‖ = 1.7965e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 101: f = 0.026118463766, ‖∇f‖ = 1.9475e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 102: f = 0.024973807275, ‖∇f‖ = 1.7177e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 103: f = 0.023879316438, ‖∇f‖ = 1.8622e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 104: f = 0.022832792640, ‖∇f‖ = 1.6425e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 105: f = 0.021832133622, ‖∇f‖ = 1.7806e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 106: f = 0.020875329279, ‖∇f‖ = 1.5705e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 107: f = 0.019960457601, ‖∇f‖ = 1.7025e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 108: f = 0.019085680828, ‖∇f‖ = 1.5016e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 109: f = 0.018249241739, ‖∇f‖ = 1.6279e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 110: f = 0.017449460137, ‖∇f‖ = 1.4358e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 111: f = 0.016684729460, ‖∇f‖ = 1.5566e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 112: f = 0.015953513565, ‖∇f‖ = 1.3729e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 113: f = 0.015254343628, ‖∇f‖ = 1.4884e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 114: f = 0.014585815205, ‖∇f‖ = 1.3127e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 115: f = 0.013946585403, ‖∇f‖ = 1.4231e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 116: f = 0.013335370185, ‖∇f‖ = 1.2552e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 117: f = 0.012750941788, ‖∇f‖ = 1.3608e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 118: f = 0.012192126259, ‖∇f‖ = 1.2002e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 119: f = 0.011657801096, ‖∇f‖ = 1.3011e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 120: f = 0.011146892992, ‖∇f‖ = 1.1476e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 121: f = 0.010658375677, ‖∇f‖ = 1.2441e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 122: f = 0.010191267863, ‖∇f‖ = 1.0973e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 123: f = 0.009744631263, ‖∇f‖ = 1.1896e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 124: f = 0.009317568715, ‖∇f‖ = 1.0492e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 125: f = 0.008909222375, ‖∇f‖ = 1.1374e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 126: f = 0.008518771996, ‖∇f‖ = 1.0032e-01, α = 6.04e-02, nfg = 2
[ Info: GD: iter 127: f = 0.008145433276, ‖∇f‖ = 1.0876e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 128: f = 0.007788456288, ‖∇f‖ = 9.5926e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 129: f = 0.007447123972, ‖∇f‖ = 1.0399e-01, α = 7.42e-02, nfg = 2
[ Info: GD: iter 130: f = 0.007120750692, ‖∇f‖ = 9.1722e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 131: f = 0.006808680860, ‖∇f‖ = 9.9435e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 132: f = 0.006510287621, ‖∇f‖ = 8.7703e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 133: f = 0.006224971592, ‖∇f‖ = 9.5077e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 134: f = 0.005952159659, ‖∇f‖ = 8.3859e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 135: f = 0.005691303823, ‖∇f‖ = 9.0911e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 136: f = 0.005441880103, ‖∇f‖ = 8.0184e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 137: f = 0.005203387482, ‖∇f‖ = 8.6926e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 138: f = 0.004975346899, ‖∇f‖ = 7.6670e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 139: f = 0.004757300289, ‖∇f‖ = 8.3117e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 140: f = 0.004548809662, ‖∇f‖ = 7.3310e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 141: f = 0.004349456223, ‖∇f‖ = 7.9474e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 142: f = 0.004158839530, ‖∇f‖ = 7.0097e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 143: f = 0.003976576693, ‖∇f‖ = 7.5991e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 144: f = 0.003802301599, ‖∇f‖ = 6.7025e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 145: f = 0.003635664183, ‖∇f‖ = 7.2661e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 146: f = 0.003476329720, ‖∇f‖ = 6.4087e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 147: f = 0.003323978155, ‖∇f‖ = 6.9477e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 148: f = 0.003178303459, ‖∇f‖ = 6.1279e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 149: f = 0.003039013017, ‖∇f‖ = 6.6432e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 150: f = 0.002905827035, ‖∇f‖ = 5.8593e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 151: f = 0.002778477984, ‖∇f‖ = 6.3520e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 152: f = 0.002656710056, ‖∇f‖ = 5.6025e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 153: f = 0.002540278658, ‖∇f‖ = 6.0736e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 154: f = 0.002428949913, ‖∇f‖ = 5.3570e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 155: f = 0.002322500196, ‖∇f‖ = 5.8075e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 156: f = 0.002220715680, ‖∇f‖ = 5.1222e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 157: f = 0.002123391913, ‖∇f‖ = 5.5530e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 158: f = 0.002030333400, ‖∇f‖ = 4.8977e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 159: f = 0.001941353213, ‖∇f‖ = 5.3096e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 160: f = 0.001856272620, ‖∇f‖ = 4.6831e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 161: f = 0.001774920718, ‖∇f‖ = 5.0769e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 162: f = 0.001697134097, ‖∇f‖ = 4.4779e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 163: f = 0.001622756505, ‖∇f‖ = 4.8544e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 164: f = 0.001551638542, ‖∇f‖ = 4.2816e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 165: f = 0.001483637353, ‖∇f‖ = 4.6417e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 166: f = 0.001418616343, ‖∇f‖ = 4.0940e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 167: f = 0.001356444905, ‖∇f‖ = 4.4382e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 168: f = 0.001296998156, ‖∇f‖ = 3.9146e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 169: f = 0.001240156685, ‖∇f‖ = 4.2437e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 170: f = 0.001185806315, ‖∇f‖ = 3.7430e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 171: f = 0.001133837871, ‖∇f‖ = 4.0577e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 172: f = 0.001084146966, ‖∇f‖ = 3.5790e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 173: f = 0.001036633785, ‖∇f‖ = 3.8799e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 174: f = 0.000991202888, ‖∇f‖ = 3.4221e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 175: f = 0.000947763019, ‖∇f‖ = 3.7099e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 176: f = 0.000906226920, ‖∇f‖ = 3.2721e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 177: f = 0.000866511157, ‖∇f‖ = 3.5473e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 178: f = 0.000828535954, ‖∇f‖ = 3.1287e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 179: f = 0.000792225029, ‖∇f‖ = 3.3918e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 180: f = 0.000757505445, ‖∇f‖ = 2.9916e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 181: f = 0.000724307461, ‖∇f‖ = 3.2432e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 182: f = 0.000692564393, ‖∇f‖ = 2.8605e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 183: f = 0.000662212477, ‖∇f‖ = 3.1010e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 184: f = 0.000633190746, ‖∇f‖ = 2.7351e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 185: f = 0.000605440905, ‖∇f‖ = 2.9651e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 186: f = 0.000578907211, ‖∇f‖ = 2.6153e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 187: f = 0.000553536367, ‖∇f‖ = 2.8352e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 188: f = 0.000529277411, ‖∇f‖ = 2.5007e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 189: f = 0.000506081614, ‖∇f‖ = 2.7109e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 190: f = 0.000483902382, ‖∇f‖ = 2.3911e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 191: f = 0.000462695163, ‖∇f‖ = 2.5921e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 192: f = 0.000442417360, ‖∇f‖ = 2.2863e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 193: f = 0.000423028239, ‖∇f‖ = 2.4785e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 194: f = 0.000404488855, ‖∇f‖ = 2.1861e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 195: f = 0.000386761966, ‖∇f‖ = 2.3699e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 196: f = 0.000369811966, ‖∇f‖ = 2.0903e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 197: f = 0.000353604807, ‖∇f‖ = 2.2660e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 198: f = 0.000338107932, ‖∇f‖ = 1.9987e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 199: f = 0.000323290215, ‖∇f‖ = 2.1667e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 200: f = 0.000309121890, ‖∇f‖ = 1.9111e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 201: f = 0.000295574498, ‖∇f‖ = 2.0718e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 202: f = 0.000282620825, ‖∇f‖ = 1.8273e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 203: f = 0.000270234853, ‖∇f‖ = 1.9810e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 204: f = 0.000258391701, ‖∇f‖ = 1.7472e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 205: f = 0.000247067579, ‖∇f‖ = 1.8942e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 206: f = 0.000236239742, ‖∇f‖ = 1.6707e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 207: f = 0.000225886440, ‖∇f‖ = 1.8111e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 208: f = 0.000215986875, ‖∇f‖ = 1.5974e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 209: f = 0.000206521162, ‖∇f‖ = 1.7318e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 210: f = 0.000197470288, ‖∇f‖ = 1.5274e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 211: f = 0.000188816073, ‖∇f‖ = 1.6559e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 212: f = 0.000180541132, ‖∇f‖ = 1.4605e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 213: f = 0.000172628843, ‖∇f‖ = 1.5833e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 214: f = 0.000165063314, ‖∇f‖ = 1.3965e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 215: f = 0.000157829347, ‖∇f‖ = 1.5139e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 216: f = 0.000150912412, ‖∇f‖ = 1.3353e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 217: f = 0.000144298614, ‖∇f‖ = 1.4476e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 218: f = 0.000137974669, ‖∇f‖ = 1.2768e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 219: f = 0.000131927873, ‖∇f‖ = 1.3841e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 220: f = 0.000126146080, ‖∇f‖ = 1.2208e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 221: f = 0.000120617677, ‖∇f‖ = 1.3235e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 222: f = 0.000115331559, ‖∇f‖ = 1.1673e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 223: f = 0.000110277106, ‖∇f‖ = 1.2655e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 224: f = 0.000105444167, ‖∇f‖ = 1.1162e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 225: f = 0.000100823034, ‖∇f‖ = 1.2100e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 226: f = 0.000096404423, ‖∇f‖ = 1.0672e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 227: f = 0.000092179460, ‖∇f‖ = 1.1570e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 228: f = 0.000088139658, ‖∇f‖ = 1.0205e-02, α = 6.04e-02, nfg = 2
[ Info: GD: iter 229: f = 0.000084276902, ‖∇f‖ = 1.1063e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 230: f = 0.000080583432, ‖∇f‖ = 9.7574e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 231: f = 0.000077051831, ‖∇f‖ = 1.0578e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 232: f = 0.000073675003, ‖∇f‖ = 9.3298e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 233: f = 0.000070446166, ‖∇f‖ = 1.0114e-02, α = 7.42e-02, nfg = 2
[ Info: GD: iter 234: f = 0.000067358834, ‖∇f‖ = 8.9209e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 235: f = 0.000064406806, ‖∇f‖ = 9.6711e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 236: f = 0.000061584151, ‖∇f‖ = 8.5300e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 237: f = 0.000058885201, ‖∇f‖ = 9.2472e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 238: f = 0.000056304533, ‖∇f‖ = 8.1561e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 239: f = 0.000053836964, ‖∇f‖ = 8.8420e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 240: f = 0.000051477537, ‖∇f‖ = 7.7987e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 241: f = 0.000049221513, ‖∇f‖ = 8.4545e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 242: f = 0.000047064360, ‖∇f‖ = 7.4569e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 243: f = 0.000045001746, ‖∇f‖ = 8.0840e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 244: f = 0.000043029526, ‖∇f‖ = 7.1301e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 245: f = 0.000041143740, ‖∇f‖ = 7.7297e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 246: f = 0.000039340598, ‖∇f‖ = 6.8176e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 247: f = 0.000037616481, ‖∇f‖ = 7.3909e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 248: f = 0.000035967923, ‖∇f‖ = 6.5188e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 249: f = 0.000034391614, ‖∇f‖ = 7.0670e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 250: f = 0.000032884388, ‖∇f‖ = 6.2331e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 251: f = 0.000031443216, ‖∇f‖ = 6.7573e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 252: f = 0.000030065205, ‖∇f‖ = 5.9600e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 253: f = 0.000028747585, ‖∇f‖ = 6.4611e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 254: f = 0.000027487710, ‖∇f‖ = 5.6988e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 255: f = 0.000026283050, ‖∇f‖ = 6.1780e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 256: f = 0.000025131185, ‖∇f‖ = 5.4490e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 257: f = 0.000024029800, ‖∇f‖ = 5.9072e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 258: f = 0.000022976685, ‖∇f‖ = 5.2102e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 259: f = 0.000021969722, ‖∇f‖ = 5.6483e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 260: f = 0.000021006890, ‖∇f‖ = 4.9819e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 261: f = 0.000020086255, ‖∇f‖ = 5.4008e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 262: f = 0.000019205966, ‖∇f‖ = 4.7635e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 263: f = 0.000018364257, ‖∇f‖ = 5.1641e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 264: f = 0.000017559436, ‖∇f‖ = 4.5548e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 265: f = 0.000016789887, ‖∇f‖ = 4.9378e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 266: f = 0.000016054063, ‖∇f‖ = 4.3552e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 267: f = 0.000015350487, ‖∇f‖ = 4.7214e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 268: f = 0.000014677746, ‖∇f‖ = 4.1643e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 269: f = 0.000014034488, ‖∇f‖ = 4.5145e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 270: f = 0.000013419421, ‖∇f‖ = 3.9818e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 271: f = 0.000012831309, ‖∇f‖ = 4.3166e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 272: f = 0.000012268972, ‖∇f‖ = 3.8073e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 273: f = 0.000011731279, ‖∇f‖ = 4.1274e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 274: f = 0.000011217151, ‖∇f‖ = 3.6404e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 275: f = 0.000010725555, ‖∇f‖ = 3.9466e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 276: f = 0.000010255503, ‖∇f‖ = 3.4809e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 277: f = 0.000009806051, ‖∇f‖ = 3.7736e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 278: f = 0.000009376297, ‖∇f‖ = 3.3283e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 279: f = 0.000008965377, ‖∇f‖ = 3.6082e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 280: f = 0.000008572466, ‖∇f‖ = 3.1825e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 281: f = 0.000008196774, ‖∇f‖ = 3.4501e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 282: f = 0.000007837547, ‖∇f‖ = 3.0430e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 283: f = 0.000007494063, ‖∇f‖ = 3.2989e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 284: f = 0.000007165633, ‖∇f‖ = 2.9096e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 285: f = 0.000006851596, ‖∇f‖ = 3.1543e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 286: f = 0.000006551322, ‖∇f‖ = 2.7821e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 287: f = 0.000006264208, ‖∇f‖ = 3.0161e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 288: f = 0.000005989676, ‖∇f‖ = 2.6602e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 289: f = 0.000005727176, ‖∇f‖ = 2.8839e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 290: f = 0.000005476181, ‖∇f‖ = 2.5436e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 291: f = 0.000005236185, ‖∇f‖ = 2.7575e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 292: f = 0.000005006707, ‖∇f‖ = 2.4321e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 293: f = 0.000004787286, ‖∇f‖ = 2.6367e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 294: f = 0.000004577481, ‖∇f‖ = 2.3256e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 295: f = 0.000004376871, ‖∇f‖ = 2.5211e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 296: f = 0.000004185053, ‖∇f‖ = 2.2236e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 297: f = 0.000004001641, ‖∇f‖ = 2.4106e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 298: f = 0.000003826268, ‖∇f‖ = 2.1262e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 299: f = 0.000003658580, ‖∇f‖ = 2.3050e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 300: f = 0.000003498241, ‖∇f‖ = 2.0330e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 301: f = 0.000003344929, ‖∇f‖ = 2.2040e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 302: f = 0.000003198337, ‖∇f‖ = 1.9439e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 303: f = 0.000003058168, ‖∇f‖ = 2.1074e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 304: f = 0.000002924143, ‖∇f‖ = 1.8587e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 305: f = 0.000002795991, ‖∇f‖ = 2.0150e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 306: f = 0.000002673456, ‖∇f‖ = 1.7773e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 307: f = 0.000002556290, ‖∇f‖ = 1.9267e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 308: f = 0.000002444260, ‖∇f‖ = 1.6994e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 309: f = 0.000002337139, ‖∇f‖ = 1.8423e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 310: f = 0.000002234713, ‖∇f‖ = 1.6249e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 311: f = 0.000002136776, ‖∇f‖ = 1.7615e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 312: f = 0.000002043131, ‖∇f‖ = 1.5537e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 313: f = 0.000001953590, ‖∇f‖ = 1.6843e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 314: f = 0.000001867973, ‖∇f‖ = 1.4856e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 315: f = 0.000001786108, ‖∇f‖ = 1.6105e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 316: f = 0.000001707831, ‖∇f‖ = 1.4205e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 317: f = 0.000001632985, ‖∇f‖ = 1.5399e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 318: f = 0.000001561419, ‖∇f‖ = 1.3582e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 319: f = 0.000001492989, ‖∇f‖ = 1.4724e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 320: f = 0.000001427558, ‖∇f‖ = 1.2987e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 321: f = 0.000001364995, ‖∇f‖ = 1.4079e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 322: f = 0.000001305173, ‖∇f‖ = 1.2418e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 323: f = 0.000001247974, ‖∇f‖ = 1.3462e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 324: f = 0.000001193281, ‖∇f‖ = 1.1874e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 325: f = 0.000001140985, ‖∇f‖ = 1.2872e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 326: f = 0.000001090980, ‖∇f‖ = 1.1353e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 327: f = 0.000001043168, ‖∇f‖ = 1.2308e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 328: f = 0.000000997451, ‖∇f‖ = 1.0856e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 329: f = 0.000000953737, ‖∇f‖ = 1.1769e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 330: f = 0.000000911939, ‖∇f‖ = 1.0380e-03, α = 6.04e-02, nfg = 2
[ Info: GD: iter 331: f = 0.000000871973, ‖∇f‖ = 1.1253e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 332: f = 0.000000833758, ‖∇f‖ = 9.9250e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 333: f = 0.000000797218, ‖∇f‖ = 1.0760e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 334: f = 0.000000762280, ‖∇f‖ = 9.4901e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 335: f = 0.000000728873, ‖∇f‖ = 1.0288e-03, α = 7.42e-02, nfg = 2
[ Info: GD: iter 336: f = 0.000000696930, ‖∇f‖ = 9.0742e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 337: f = 0.000000666386, ‖∇f‖ = 9.8372e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 338: f = 0.000000637182, ‖∇f‖ = 8.6765e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 339: f = 0.000000609257, ‖∇f‖ = 9.4061e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 340: f = 0.000000582556, ‖∇f‖ = 8.2962e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 341: f = 0.000000557025, ‖∇f‖ = 8.9939e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 342: f = 0.000000532613, ‖∇f‖ = 7.9327e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 343: f = 0.000000509271, ‖∇f‖ = 8.5997e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 344: f = 0.000000486952, ‖∇f‖ = 7.5850e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 345: f = 0.000000465612, ‖∇f‖ = 8.2228e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 346: f = 0.000000445206, ‖∇f‖ = 7.2526e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 347: f = 0.000000425695, ‖∇f‖ = 7.8625e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 348: f = 0.000000407038, ‖∇f‖ = 6.9347e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 349: f = 0.000000389200, ‖∇f‖ = 7.5179e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 350: f = 0.000000372143, ‖∇f‖ = 6.6308e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 351: f = 0.000000355834, ‖∇f‖ = 7.1884e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 352: f = 0.000000340239, ‖∇f‖ = 6.3402e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 353: f = 0.000000325328, ‖∇f‖ = 6.8734e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 354: f = 0.000000311070, ‖∇f‖ = 6.0624e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 355: f = 0.000000297438, ‖∇f‖ = 6.5721e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 356: f = 0.000000284402, ‖∇f‖ = 5.7967e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 357: f = 0.000000271938, ‖∇f‖ = 6.2841e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 358: f = 0.000000260020, ‖∇f‖ = 5.5426e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 359: f = 0.000000248625, ‖∇f‖ = 6.0087e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 360: f = 0.000000237729, ‖∇f‖ = 5.2997e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 361: f = 0.000000227310, ‖∇f‖ = 5.7454e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 362: f = 0.000000217348, ‖∇f‖ = 5.0675e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 363: f = 0.000000207823, ‖∇f‖ = 5.4936e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 364: f = 0.000000198715, ‖∇f‖ = 4.8454e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 365: f = 0.000000190006, ‖∇f‖ = 5.2528e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 366: f = 0.000000181679, ‖∇f‖ = 4.6330e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 367: f = 0.000000173717, ‖∇f‖ = 5.0226e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 368: f = 0.000000166104, ‖∇f‖ = 4.4300e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 369: f = 0.000000158824, ‖∇f‖ = 4.8025e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 370: f = 0.000000151864, ‖∇f‖ = 4.2358e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 371: f = 0.000000145208, ‖∇f‖ = 4.5920e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 372: f = 0.000000138844, ‖∇f‖ = 4.0502e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 373: f = 0.000000132759, ‖∇f‖ = 4.3908e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 374: f = 0.000000126941, ‖∇f‖ = 3.8727e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 375: f = 0.000000121378, ‖∇f‖ = 4.1984e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 376: f = 0.000000116059, ‖∇f‖ = 3.7030e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 377: f = 0.000000110972, ‖∇f‖ = 4.0144e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 378: f = 0.000000106109, ‖∇f‖ = 3.5407e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 379: f = 0.000000101459, ‖∇f‖ = 3.8384e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 380: f = 0.000000097012, ‖∇f‖ = 3.3855e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 381: f = 0.000000092760, ‖∇f‖ = 3.6702e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 382: f = 0.000000088695, ‖∇f‖ = 3.2371e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 383: f = 0.000000084808, ‖∇f‖ = 3.5094e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 384: f = 0.000000081091, ‖∇f‖ = 3.0953e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 385: f = 0.000000077537, ‖∇f‖ = 3.3556e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 386: f = 0.000000074139, ‖∇f‖ = 2.9596e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 387: f = 0.000000070890, ‖∇f‖ = 3.2085e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 388: f = 0.000000067783, ‖∇f‖ = 2.8299e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 389: f = 0.000000064813, ‖∇f‖ = 3.0679e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 390: f = 0.000000061972, ‖∇f‖ = 2.7059e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 391: f = 0.000000059256, ‖∇f‖ = 2.9334e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 392: f = 0.000000056659, ‖∇f‖ = 2.5873e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 393: f = 0.000000054176, ‖∇f‖ = 2.8049e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 394: f = 0.000000051802, ‖∇f‖ = 2.4739e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 395: f = 0.000000049532, ‖∇f‖ = 2.6820e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 396: f = 0.000000047361, ‖∇f‖ = 2.3655e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 397: f = 0.000000045285, ‖∇f‖ = 2.5644e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 398: f = 0.000000043301, ‖∇f‖ = 2.2618e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 399: f = 0.000000041403, ‖∇f‖ = 2.4520e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 400: f = 0.000000039589, ‖∇f‖ = 2.1627e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 401: f = 0.000000037854, ‖∇f‖ = 2.3446e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 402: f = 0.000000036195, ‖∇f‖ = 2.0679e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 403: f = 0.000000034608, ‖∇f‖ = 2.2418e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 404: f = 0.000000033092, ‖∇f‖ = 1.9773e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 405: f = 0.000000031641, ‖∇f‖ = 2.1436e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 406: f = 0.000000030255, ‖∇f‖ = 1.8906e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 407: f = 0.000000028929, ‖∇f‖ = 2.0496e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 408: f = 0.000000027661, ‖∇f‖ = 1.8078e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 409: f = 0.000000026449, ‖∇f‖ = 1.9598e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 410: f = 0.000000025290, ‖∇f‖ = 1.7286e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 411: f = 0.000000024181, ‖∇f‖ = 1.8739e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 412: f = 0.000000023122, ‖∇f‖ = 1.6528e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 413: f = 0.000000022108, ‖∇f‖ = 1.7918e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 414: f = 0.000000021139, ‖∇f‖ = 1.5804e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 415: f = 0.000000020213, ‖∇f‖ = 1.7133e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 416: f = 0.000000019327, ‖∇f‖ = 1.5111e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 417: f = 0.000000018480, ‖∇f‖ = 1.6382e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 418: f = 0.000000017670, ‖∇f‖ = 1.4449e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 419: f = 0.000000016896, ‖∇f‖ = 1.5664e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 420: f = 0.000000016155, ‖∇f‖ = 1.3816e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 421: f = 0.000000015447, ‖∇f‖ = 1.4977e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 422: f = 0.000000014770, ‖∇f‖ = 1.3210e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 423: f = 0.000000014123, ‖∇f‖ = 1.4321e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 424: f = 0.000000013504, ‖∇f‖ = 1.2631e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 425: f = 0.000000012912, ‖∇f‖ = 1.3693e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 426: f = 0.000000012346, ‖∇f‖ = 1.2078e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 427: f = 0.000000011805, ‖∇f‖ = 1.3093e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 428: f = 0.000000011288, ‖∇f‖ = 1.1548e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 429: f = 0.000000010793, ‖∇f‖ = 1.2519e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 430: f = 0.000000010320, ‖∇f‖ = 1.1042e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 431: f = 0.000000009868, ‖∇f‖ = 1.1971e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 432: f = 0.000000009435, ‖∇f‖ = 1.0558e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 433: f = 0.000000009022, ‖∇f‖ = 1.1446e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 434: f = 0.000000008626, ‖∇f‖ = 1.0096e-04, α = 6.04e-02, nfg = 2
[ Info: GD: iter 435: f = 0.000000008248, ‖∇f‖ = 1.0944e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 436: f = 0.000000007887, ‖∇f‖ = 9.6531e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 437: f = 0.000000007541, ‖∇f‖ = 1.0465e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 438: f = 0.000000007211, ‖∇f‖ = 9.2301e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 439: f = 0.000000006895, ‖∇f‖ = 1.0006e-04, α = 7.42e-02, nfg = 2
[ Info: GD: iter 440: f = 0.000000006593, ‖∇f‖ = 8.8255e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 441: f = 0.000000006304, ‖∇f‖ = 9.5677e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 442: f = 0.000000006027, ‖∇f‖ = 8.4388e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 443: f = 0.000000005763, ‖∇f‖ = 9.1484e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 444: f = 0.000000005511, ‖∇f‖ = 8.0689e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 445: f = 0.000000005269, ‖∇f‖ = 8.7474e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 446: f = 0.000000005038, ‖∇f‖ = 7.7153e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 447: f = 0.000000004817, ‖∇f‖ = 8.3641e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 448: f = 0.000000004606, ‖∇f‖ = 7.3772e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 449: f = 0.000000004404, ‖∇f‖ = 7.9975e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 450: f = 0.000000004211, ‖∇f‖ = 7.0539e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 451: f = 0.000000004027, ‖∇f‖ = 7.6470e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 452: f = 0.000000003850, ‖∇f‖ = 6.7447e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 453: f = 0.000000003682, ‖∇f‖ = 7.3119e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 454: f = 0.000000003520, ‖∇f‖ = 6.4491e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 455: f = 0.000000003366, ‖∇f‖ = 6.9914e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 456: f = 0.000000003218, ‖∇f‖ = 6.1665e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 457: f = 0.000000003077, ‖∇f‖ = 6.6850e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 458: f = 0.000000002943, ‖∇f‖ = 5.8963e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 459: f = 0.000000002814, ‖∇f‖ = 6.3921e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 460: f = 0.000000002690, ‖∇f‖ = 5.6378e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 461: f = 0.000000002572, ‖∇f‖ = 6.1119e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 462: f = 0.000000002460, ‖∇f‖ = 5.3908e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 463: f = 0.000000002352, ‖∇f‖ = 5.8441e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 464: f = 0.000000002249, ‖∇f‖ = 5.1545e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 465: f = 0.000000002150, ‖∇f‖ = 5.5880e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 466: f = 0.000000002056, ‖∇f‖ = 4.9286e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 467: f = 0.000000001966, ‖∇f‖ = 5.3431e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 468: f = 0.000000001880, ‖∇f‖ = 4.7126e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 469: f = 0.000000001797, ‖∇f‖ = 5.1089e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 470: f = 0.000000001719, ‖∇f‖ = 4.5061e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 471: f = 0.000000001643, ‖∇f‖ = 4.8850e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 472: f = 0.000000001571, ‖∇f‖ = 4.3086e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 473: f = 0.000000001502, ‖∇f‖ = 4.6709e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 474: f = 0.000000001437, ‖∇f‖ = 4.1198e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 475: f = 0.000000001374, ‖∇f‖ = 4.4662e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 476: f = 0.000000001313, ‖∇f‖ = 3.9392e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 477: f = 0.000000001256, ‖∇f‖ = 4.2705e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 478: f = 0.000000001201, ‖∇f‖ = 3.7666e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 479: f = 0.000000001148, ‖∇f‖ = 4.0833e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 480: f = 0.000000001098, ‖∇f‖ = 3.6015e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 481: f = 0.000000001050, ‖∇f‖ = 3.9044e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 482: f = 0.000000001004, ‖∇f‖ = 3.4437e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 483: f = 0.000000000960, ‖∇f‖ = 3.7333e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 484: f = 0.000000000918, ‖∇f‖ = 3.2928e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 485: f = 0.000000000877, ‖∇f‖ = 3.5696e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 486: f = 0.000000000839, ‖∇f‖ = 3.1485e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 487: f = 0.000000000802, ‖∇f‖ = 3.4132e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 488: f = 0.000000000767, ‖∇f‖ = 3.0105e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 489: f = 0.000000000733, ‖∇f‖ = 3.2636e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 490: f = 0.000000000701, ‖∇f‖ = 2.8785e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 491: f = 0.000000000671, ‖∇f‖ = 3.1206e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 492: f = 0.000000000641, ‖∇f‖ = 2.7524e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 493: f = 0.000000000613, ‖∇f‖ = 2.9838e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 494: f = 0.000000000586, ‖∇f‖ = 2.6318e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 495: f = 0.000000000561, ‖∇f‖ = 2.8531e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 496: f = 0.000000000536, ‖∇f‖ = 2.5164e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 497: f = 0.000000000512, ‖∇f‖ = 2.7280e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 498: f = 0.000000000490, ‖∇f‖ = 2.4061e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 499: f = 0.000000000469, ‖∇f‖ = 2.6085e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 500: f = 0.000000000448, ‖∇f‖ = 2.3007e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 501: f = 0.000000000428, ‖∇f‖ = 2.4941e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 502: f = 0.000000000410, ‖∇f‖ = 2.1999e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 503: f = 0.000000000392, ‖∇f‖ = 2.3848e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 504: f = 0.000000000374, ‖∇f‖ = 2.1034e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 505: f = 0.000000000358, ‖∇f‖ = 2.2803e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 506: f = 0.000000000342, ‖∇f‖ = 2.0113e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 507: f = 0.000000000327, ‖∇f‖ = 2.1804e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 508: f = 0.000000000313, ‖∇f‖ = 1.9231e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 509: f = 0.000000000299, ‖∇f‖ = 2.0848e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 510: f = 0.000000000286, ‖∇f‖ = 1.8388e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 511: f = 0.000000000274, ‖∇f‖ = 1.9935e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 512: f = 0.000000000262, ‖∇f‖ = 1.7582e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 513: f = 0.000000000250, ‖∇f‖ = 1.9061e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 514: f = 0.000000000239, ‖∇f‖ = 1.6812e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 515: f = 0.000000000229, ‖∇f‖ = 1.8226e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 516: f = 0.000000000219, ‖∇f‖ = 1.6075e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 517: f = 0.000000000209, ‖∇f‖ = 1.7427e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 518: f = 0.000000000200, ‖∇f‖ = 1.5371e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 519: f = 0.000000000191, ‖∇f‖ = 1.6663e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 520: f = 0.000000000183, ‖∇f‖ = 1.4697e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 521: f = 0.000000000175, ‖∇f‖ = 1.5933e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 522: f = 0.000000000167, ‖∇f‖ = 1.4053e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 523: f = 0.000000000160, ‖∇f‖ = 1.5235e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 524: f = 0.000000000153, ‖∇f‖ = 1.3437e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 525: f = 0.000000000146, ‖∇f‖ = 1.4567e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 526: f = 0.000000000140, ‖∇f‖ = 1.2848e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 527: f = 0.000000000134, ‖∇f‖ = 1.3929e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 528: f = 0.000000000128, ‖∇f‖ = 1.2285e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 529: f = 0.000000000122, ‖∇f‖ = 1.3318e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 530: f = 0.000000000117, ‖∇f‖ = 1.1747e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 531: f = 0.000000000112, ‖∇f‖ = 1.2734e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 532: f = 0.000000000107, ‖∇f‖ = 1.1232e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 533: f = 0.000000000102, ‖∇f‖ = 1.2176e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 534: f = 0.000000000098, ‖∇f‖ = 1.0740e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 535: f = 0.000000000093, ‖∇f‖ = 1.1643e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 536: f = 0.000000000089, ‖∇f‖ = 1.0269e-05, α = 6.04e-02, nfg = 2
[ Info: GD: iter 537: f = 0.000000000085, ‖∇f‖ = 1.1132e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 538: f = 0.000000000082, ‖∇f‖ = 9.8189e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 539: f = 0.000000000078, ‖∇f‖ = 1.0645e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 540: f = 0.000000000075, ‖∇f‖ = 9.3886e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 541: f = 0.000000000071, ‖∇f‖ = 1.0178e-05, α = 7.42e-02, nfg = 2
[ Info: GD: iter 542: f = 0.000000000068, ‖∇f‖ = 8.9772e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 543: f = 0.000000000065, ‖∇f‖ = 9.7320e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 544: f = 0.000000000062, ‖∇f‖ = 8.5837e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 545: f = 0.000000000060, ‖∇f‖ = 9.3055e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 546: f = 0.000000000057, ‖∇f‖ = 8.2075e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 547: f = 0.000000000055, ‖∇f‖ = 8.8977e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 548: f = 0.000000000052, ‖∇f‖ = 7.8478e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 549: f = 0.000000000050, ‖∇f‖ = 8.5078e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 550: f = 0.000000000048, ‖∇f‖ = 7.5039e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 551: f = 0.000000000046, ‖∇f‖ = 8.1349e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 552: f = 0.000000000044, ‖∇f‖ = 7.1750e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 553: f = 0.000000000042, ‖∇f‖ = 7.7784e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 554: f = 0.000000000040, ‖∇f‖ = 6.8606e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 555: f = 0.000000000038, ‖∇f‖ = 7.4375e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 556: f = 0.000000000036, ‖∇f‖ = 6.5599e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 557: f = 0.000000000035, ‖∇f‖ = 7.1115e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 558: f = 0.000000000033, ‖∇f‖ = 6.2724e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 559: f = 0.000000000032, ‖∇f‖ = 6.7999e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 560: f = 0.000000000030, ‖∇f‖ = 5.9975e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 561: f = 0.000000000029, ‖∇f‖ = 6.5019e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 562: f = 0.000000000028, ‖∇f‖ = 5.7347e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 563: f = 0.000000000027, ‖∇f‖ = 6.2169e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 564: f = 0.000000000025, ‖∇f‖ = 5.4834e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 565: f = 0.000000000024, ‖∇f‖ = 5.9445e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 566: f = 0.000000000023, ‖∇f‖ = 5.2431e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 567: f = 0.000000000022, ‖∇f‖ = 5.6839e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 568: f = 0.000000000021, ‖∇f‖ = 5.0133e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 569: f = 0.000000000020, ‖∇f‖ = 5.4348e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 570: f = 0.000000000019, ‖∇f‖ = 4.7936e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 571: f = 0.000000000019, ‖∇f‖ = 5.1967e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 572: f = 0.000000000018, ‖∇f‖ = 4.5835e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 573: f = 0.000000000017, ‖∇f‖ = 4.9689e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 574: f = 0.000000000016, ‖∇f‖ = 4.3826e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 575: f = 0.000000000016, ‖∇f‖ = 4.7512e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 576: f = 0.000000000015, ‖∇f‖ = 4.1905e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 577: f = 0.000000000014, ‖∇f‖ = 4.5429e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 578: f = 0.000000000014, ‖∇f‖ = 4.0069e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 579: f = 0.000000000013, ‖∇f‖ = 4.3438e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 580: f = 0.000000000012, ‖∇f‖ = 3.8313e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 581: f = 0.000000000012, ‖∇f‖ = 4.1535e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 582: f = 0.000000000011, ‖∇f‖ = 3.6634e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 583: f = 0.000000000011, ‖∇f‖ = 3.9714e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 584: f = 0.000000000010, ‖∇f‖ = 3.5028e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 585: f = 0.000000000010, ‖∇f‖ = 3.7974e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 586: f = 0.000000000009, ‖∇f‖ = 3.3493e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 587: f = 0.000000000009, ‖∇f‖ = 3.6310e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 588: f = 0.000000000009, ‖∇f‖ = 3.2025e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 589: f = 0.000000000008, ‖∇f‖ = 3.4718e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 590: f = 0.000000000008, ‖∇f‖ = 3.0622e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 591: f = 0.000000000008, ‖∇f‖ = 3.3197e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 592: f = 0.000000000007, ‖∇f‖ = 2.9280e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 593: f = 0.000000000007, ‖∇f‖ = 3.1742e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 594: f = 0.000000000007, ‖∇f‖ = 2.7997e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 595: f = 0.000000000006, ‖∇f‖ = 3.0351e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 596: f = 0.000000000006, ‖∇f‖ = 2.6770e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 597: f = 0.000000000006, ‖∇f‖ = 2.9021e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 598: f = 0.000000000006, ‖∇f‖ = 2.5596e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 599: f = 0.000000000005, ‖∇f‖ = 2.7749e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 600: f = 0.000000000005, ‖∇f‖ = 2.4475e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 601: f = 0.000000000005, ‖∇f‖ = 2.6533e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 602: f = 0.000000000005, ‖∇f‖ = 2.3402e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 603: f = 0.000000000004, ‖∇f‖ = 2.5370e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 604: f = 0.000000000004, ‖∇f‖ = 2.2376e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 605: f = 0.000000000004, ‖∇f‖ = 2.4258e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 606: f = 0.000000000004, ‖∇f‖ = 2.1396e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 607: f = 0.000000000004, ‖∇f‖ = 2.3195e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 608: f = 0.000000000004, ‖∇f‖ = 2.0458e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 609: f = 0.000000000003, ‖∇f‖ = 2.2178e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 610: f = 0.000000000003, ‖∇f‖ = 1.9562e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 611: f = 0.000000000003, ‖∇f‖ = 2.1206e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 612: f = 0.000000000003, ‖∇f‖ = 1.8704e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 613: f = 0.000000000003, ‖∇f‖ = 2.0277e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 614: f = 0.000000000003, ‖∇f‖ = 1.7885e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 615: f = 0.000000000003, ‖∇f‖ = 1.9388e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 616: f = 0.000000000002, ‖∇f‖ = 1.7101e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 617: f = 0.000000000002, ‖∇f‖ = 1.8539e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 618: f = 0.000000000002, ‖∇f‖ = 1.6351e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 619: f = 0.000000000002, ‖∇f‖ = 1.7726e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 620: f = 0.000000000002, ‖∇f‖ = 1.5635e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 621: f = 0.000000000002, ‖∇f‖ = 1.6949e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 622: f = 0.000000000002, ‖∇f‖ = 1.4949e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 623: f = 0.000000000002, ‖∇f‖ = 1.6207e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 624: f = 0.000000000002, ‖∇f‖ = 1.4294e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 625: f = 0.000000000002, ‖∇f‖ = 1.5496e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 626: f = 0.000000000002, ‖∇f‖ = 1.3668e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 627: f = 0.000000000002, ‖∇f‖ = 1.4817e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 628: f = 0.000000000001, ‖∇f‖ = 1.3069e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 629: f = 0.000000000001, ‖∇f‖ = 1.4168e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 630: f = 0.000000000001, ‖∇f‖ = 1.2496e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 631: f = 0.000000000001, ‖∇f‖ = 1.3547e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 632: f = 0.000000000001, ‖∇f‖ = 1.1948e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 633: f = 0.000000000001, ‖∇f‖ = 1.2953e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 634: f = 0.000000000001, ‖∇f‖ = 1.1425e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 635: f = 0.000000000001, ‖∇f‖ = 1.2386e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 636: f = 0.000000000001, ‖∇f‖ = 1.0924e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 637: f = 0.000000000001, ‖∇f‖ = 1.1843e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 638: f = 0.000000000001, ‖∇f‖ = 1.0445e-06, α = 6.04e-02, nfg = 2
[ Info: GD: iter 639: f = 0.000000000001, ‖∇f‖ = 1.1324e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 640: f = 0.000000000001, ‖∇f‖ = 9.9876e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 641: f = 0.000000000001, ‖∇f‖ = 1.0827e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 642: f = 0.000000000001, ‖∇f‖ = 9.5499e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 643: f = 0.000000000001, ‖∇f‖ = 1.0353e-06, α = 7.42e-02, nfg = 2
[ Info: GD: iter 644: f = 0.000000000001, ‖∇f‖ = 9.1314e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 645: f = 0.000000000001, ‖∇f‖ = 9.8992e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 646: f = 0.000000000001, ‖∇f‖ = 8.7312e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 647: f = 0.000000000001, ‖∇f‖ = 9.4654e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 648: f = 0.000000000001, ‖∇f‖ = 8.3485e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 649: f = 0.000000000001, ‖∇f‖ = 9.0506e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 650: f = 0.000000000001, ‖∇f‖ = 7.9827e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 651: f = 0.000000000001, ‖∇f‖ = 8.6539e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 652: f = 0.000000000000, ‖∇f‖ = 7.6328e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 653: f = 0.000000000000, ‖∇f‖ = 8.2747e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 654: f = 0.000000000000, ‖∇f‖ = 7.2983e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 655: f = 0.000000000000, ‖∇f‖ = 7.9120e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 656: f = 0.000000000000, ‖∇f‖ = 6.9785e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 657: f = 0.000000000000, ‖∇f‖ = 7.5653e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 658: f = 0.000000000000, ‖∇f‖ = 6.6726e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 659: f = 0.000000000000, ‖∇f‖ = 7.2337e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 660: f = 0.000000000000, ‖∇f‖ = 6.3802e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 661: f = 0.000000000000, ‖∇f‖ = 6.9167e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 662: f = 0.000000000000, ‖∇f‖ = 6.1006e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 663: f = 0.000000000000, ‖∇f‖ = 6.6136e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 664: f = 0.000000000000, ‖∇f‖ = 5.8332e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 665: f = 0.000000000000, ‖∇f‖ = 6.3237e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 666: f = 0.000000000000, ‖∇f‖ = 5.5776e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 667: f = 0.000000000000, ‖∇f‖ = 6.0466e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 668: f = 0.000000000000, ‖∇f‖ = 5.3331e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 669: f = 0.000000000000, ‖∇f‖ = 5.7816e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 670: f = 0.000000000000, ‖∇f‖ = 5.0994e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 671: f = 0.000000000000, ‖∇f‖ = 5.5282e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 672: f = 0.000000000000, ‖∇f‖ = 4.8759e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 673: f = 0.000000000000, ‖∇f‖ = 5.2859e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 674: f = 0.000000000000, ‖∇f‖ = 4.6622e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 675: f = 0.000000000000, ‖∇f‖ = 5.0543e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 676: f = 0.000000000000, ‖∇f‖ = 4.4579e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 677: f = 0.000000000000, ‖∇f‖ = 4.8328e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 678: f = 0.000000000000, ‖∇f‖ = 4.2625e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 679: f = 0.000000000000, ‖∇f‖ = 4.6210e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 680: f = 0.000000000000, ‖∇f‖ = 4.0757e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 681: f = 0.000000000000, ‖∇f‖ = 4.4185e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 682: f = 0.000000000000, ‖∇f‖ = 3.8971e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 683: f = 0.000000000000, ‖∇f‖ = 4.2248e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 684: f = 0.000000000000, ‖∇f‖ = 3.7263e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 685: f = 0.000000000000, ‖∇f‖ = 4.0397e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 686: f = 0.000000000000, ‖∇f‖ = 3.5630e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 687: f = 0.000000000000, ‖∇f‖ = 3.8626e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 688: f = 0.000000000000, ‖∇f‖ = 3.4069e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 689: f = 0.000000000000, ‖∇f‖ = 3.6933e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 690: f = 0.000000000000, ‖∇f‖ = 3.2576e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 691: f = 0.000000000000, ‖∇f‖ = 3.5315e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 692: f = 0.000000000000, ‖∇f‖ = 3.1148e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 693: f = 0.000000000000, ‖∇f‖ = 3.3767e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 694: f = 0.000000000000, ‖∇f‖ = 2.9783e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 695: f = 0.000000000000, ‖∇f‖ = 3.2287e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 696: f = 0.000000000000, ‖∇f‖ = 2.8478e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 697: f = 0.000000000000, ‖∇f‖ = 3.0872e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 698: f = 0.000000000000, ‖∇f‖ = 2.7230e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 699: f = 0.000000000000, ‖∇f‖ = 2.9519e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 700: f = 0.000000000000, ‖∇f‖ = 2.6036e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 701: f = 0.000000000000, ‖∇f‖ = 2.8226e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 702: f = 0.000000000000, ‖∇f‖ = 2.4895e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 703: f = 0.000000000000, ‖∇f‖ = 2.6989e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 704: f = 0.000000000000, ‖∇f‖ = 2.3804e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 705: f = 0.000000000000, ‖∇f‖ = 2.5806e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 706: f = 0.000000000000, ‖∇f‖ = 2.2761e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 707: f = 0.000000000000, ‖∇f‖ = 2.4675e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 708: f = 0.000000000000, ‖∇f‖ = 2.1763e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 709: f = 0.000000000000, ‖∇f‖ = 2.3593e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 710: f = 0.000000000000, ‖∇f‖ = 2.0810e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 711: f = 0.000000000000, ‖∇f‖ = 2.2559e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 712: f = 0.000000000000, ‖∇f‖ = 1.9898e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 713: f = 0.000000000000, ‖∇f‖ = 2.1571e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 714: f = 0.000000000000, ‖∇f‖ = 1.9026e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 715: f = 0.000000000000, ‖∇f‖ = 2.0625e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 716: f = 0.000000000000, ‖∇f‖ = 1.8192e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 717: f = 0.000000000000, ‖∇f‖ = 1.9722e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 718: f = 0.000000000000, ‖∇f‖ = 1.7395e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 719: f = 0.000000000000, ‖∇f‖ = 1.8857e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 720: f = 0.000000000000, ‖∇f‖ = 1.6632e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 721: f = 0.000000000000, ‖∇f‖ = 1.8031e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 722: f = 0.000000000000, ‖∇f‖ = 1.5903e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 723: f = 0.000000000000, ‖∇f‖ = 1.7241e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 724: f = 0.000000000000, ‖∇f‖ = 1.5206e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 725: f = 0.000000000000, ‖∇f‖ = 1.6485e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 726: f = 0.000000000000, ‖∇f‖ = 1.4540e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 727: f = 0.000000000000, ‖∇f‖ = 1.5763e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 728: f = 0.000000000000, ‖∇f‖ = 1.3903e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 729: f = 0.000000000000, ‖∇f‖ = 1.5072e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 730: f = 0.000000000000, ‖∇f‖ = 1.3293e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 731: f = 0.000000000000, ‖∇f‖ = 1.4411e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 732: f = 0.000000000000, ‖∇f‖ = 1.2711e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 733: f = 0.000000000000, ‖∇f‖ = 1.3780e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 734: f = 0.000000000000, ‖∇f‖ = 1.2154e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 735: f = 0.000000000000, ‖∇f‖ = 1.3176e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 736: f = 0.000000000000, ‖∇f‖ = 1.1621e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 737: f = 0.000000000000, ‖∇f‖ = 1.2598e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 738: f = 0.000000000000, ‖∇f‖ = 1.1112e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 739: f = 0.000000000000, ‖∇f‖ = 1.2046e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 740: f = 0.000000000000, ‖∇f‖ = 1.0625e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 741: f = 0.000000000000, ‖∇f‖ = 1.1518e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 742: f = 0.000000000000, ‖∇f‖ = 1.0159e-07, α = 6.04e-02, nfg = 2
[ Info: GD: iter 743: f = 0.000000000000, ‖∇f‖ = 1.1013e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 744: f = 0.000000000000, ‖∇f‖ = 9.7139e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 745: f = 0.000000000000, ‖∇f‖ = 1.0531e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 746: f = 0.000000000000, ‖∇f‖ = 9.2882e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 747: f = 0.000000000000, ‖∇f‖ = 1.0069e-07, α = 7.42e-02, nfg = 2
[ Info: GD: iter 748: f = 0.000000000000, ‖∇f‖ = 8.8812e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 749: f = 0.000000000000, ‖∇f‖ = 9.6280e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 750: f = 0.000000000000, ‖∇f‖ = 8.4920e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 751: f = 0.000000000000, ‖∇f‖ = 9.2060e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 752: f = 0.000000000000, ‖∇f‖ = 8.1198e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 753: f = 0.000000000000, ‖∇f‖ = 8.8026e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 754: f = 0.000000000000, ‖∇f‖ = 7.7639e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 755: f = 0.000000000000, ‖∇f‖ = 8.4168e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 756: f = 0.000000000000, ‖∇f‖ = 7.4237e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 757: f = 0.000000000000, ‖∇f‖ = 8.0479e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 758: f = 0.000000000000, ‖∇f‖ = 7.0983e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 759: f = 0.000000000000, ‖∇f‖ = 7.6952e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 760: f = 0.000000000000, ‖∇f‖ = 6.7872e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 761: f = 0.000000000000, ‖∇f‖ = 7.3580e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 762: f = 0.000000000000, ‖∇f‖ = 6.4898e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 763: f = 0.000000000000, ‖∇f‖ = 7.0355e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 764: f = 0.000000000000, ‖∇f‖ = 6.2054e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 765: f = 0.000000000000, ‖∇f‖ = 6.7272e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 766: f = 0.000000000000, ‖∇f‖ = 5.9334e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 767: f = 0.000000000000, ‖∇f‖ = 6.4324e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 768: f = 0.000000000000, ‖∇f‖ = 5.6734e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 769: f = 0.000000000000, ‖∇f‖ = 6.1505e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 770: f = 0.000000000000, ‖∇f‖ = 5.4247e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 771: f = 0.000000000000, ‖∇f‖ = 5.8809e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 772: f = 0.000000000000, ‖∇f‖ = 5.1870e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 773: f = 0.000000000000, ‖∇f‖ = 5.6232e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 774: f = 0.000000000000, ‖∇f‖ = 4.9597e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 775: f = 0.000000000000, ‖∇f‖ = 5.3767e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 776: f = 0.000000000000, ‖∇f‖ = 4.7423e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 777: f = 0.000000000000, ‖∇f‖ = 5.1411e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 778: f = 0.000000000000, ‖∇f‖ = 4.5345e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 779: f = 0.000000000000, ‖∇f‖ = 4.9158e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 780: f = 0.000000000000, ‖∇f‖ = 4.3358e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 781: f = 0.000000000000, ‖∇f‖ = 4.7004e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 782: f = 0.000000000000, ‖∇f‖ = 4.1457e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 783: f = 0.000000000000, ‖∇f‖ = 4.4944e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 784: f = 0.000000000000, ‖∇f‖ = 3.9641e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 785: f = 0.000000000000, ‖∇f‖ = 4.2974e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 786: f = 0.000000000000, ‖∇f‖ = 3.7903e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 787: f = 0.000000000000, ‖∇f‖ = 4.1091e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 788: f = 0.000000000000, ‖∇f‖ = 3.6242e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 789: f = 0.000000000000, ‖∇f‖ = 3.9290e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 790: f = 0.000000000000, ‖∇f‖ = 3.4654e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 791: f = 0.000000000000, ‖∇f‖ = 3.7568e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 792: f = 0.000000000000, ‖∇f‖ = 3.3135e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 793: f = 0.000000000000, ‖∇f‖ = 3.5921e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 794: f = 0.000000000000, ‖∇f‖ = 3.1683e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 795: f = 0.000000000000, ‖∇f‖ = 3.4347e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 796: f = 0.000000000000, ‖∇f‖ = 3.0294e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 797: f = 0.000000000000, ‖∇f‖ = 3.2842e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 798: f = 0.000000000000, ‖∇f‖ = 2.8967e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 799: f = 0.000000000000, ‖∇f‖ = 3.1403e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 800: f = 0.000000000000, ‖∇f‖ = 2.7697e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 801: f = 0.000000000000, ‖∇f‖ = 3.0026e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 802: f = 0.000000000000, ‖∇f‖ = 2.6483e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 803: f = 0.000000000000, ‖∇f‖ = 2.8710e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 804: f = 0.000000000000, ‖∇f‖ = 2.5323e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 805: f = 0.000000000000, ‖∇f‖ = 2.7452e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 806: f = 0.000000000000, ‖∇f‖ = 2.4213e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 807: f = 0.000000000000, ‖∇f‖ = 2.6249e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 808: f = 0.000000000000, ‖∇f‖ = 2.3152e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 809: f = 0.000000000000, ‖∇f‖ = 2.5099e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 810: f = 0.000000000000, ‖∇f‖ = 2.2137e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 811: f = 0.000000000000, ‖∇f‖ = 2.3999e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 812: f = 0.000000000000, ‖∇f‖ = 2.1167e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 813: f = 0.000000000000, ‖∇f‖ = 2.2947e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 814: f = 0.000000000000, ‖∇f‖ = 2.0239e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 815: f = 0.000000000000, ‖∇f‖ = 2.1941e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 816: f = 0.000000000000, ‖∇f‖ = 1.9352e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 817: f = 0.000000000000, ‖∇f‖ = 2.0980e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 818: f = 0.000000000000, ‖∇f‖ = 1.8504e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 819: f = 0.000000000000, ‖∇f‖ = 2.0060e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 820: f = 0.000000000000, ‖∇f‖ = 1.7693e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 821: f = 0.000000000000, ‖∇f‖ = 1.9181e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 822: f = 0.000000000000, ‖∇f‖ = 1.6918e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 823: f = 0.000000000000, ‖∇f‖ = 1.8341e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 824: f = 0.000000000000, ‖∇f‖ = 1.6176e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 825: f = 0.000000000000, ‖∇f‖ = 1.7537e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 826: f = 0.000000000000, ‖∇f‖ = 1.5468e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 827: f = 0.000000000000, ‖∇f‖ = 1.6768e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 828: f = 0.000000000000, ‖∇f‖ = 1.4790e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 829: f = 0.000000000000, ‖∇f‖ = 1.6033e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 830: f = 0.000000000000, ‖∇f‖ = 1.4142e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 831: f = 0.000000000000, ‖∇f‖ = 1.5331e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 832: f = 0.000000000000, ‖∇f‖ = 1.3522e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 833: f = 0.000000000000, ‖∇f‖ = 1.4659e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 834: f = 0.000000000000, ‖∇f‖ = 1.2929e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 835: f = 0.000000000000, ‖∇f‖ = 1.4016e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 836: f = 0.000000000000, ‖∇f‖ = 1.2363e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 837: f = 0.000000000000, ‖∇f‖ = 1.3402e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 838: f = 0.000000000000, ‖∇f‖ = 1.1821e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 839: f = 0.000000000000, ‖∇f‖ = 1.2815e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 840: f = 0.000000000000, ‖∇f‖ = 1.1303e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 841: f = 0.000000000000, ‖∇f‖ = 1.2253e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 842: f = 0.000000000000, ‖∇f‖ = 1.0807e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 843: f = 0.000000000000, ‖∇f‖ = 1.1716e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 844: f = 0.000000000000, ‖∇f‖ = 1.0334e-08, α = 6.04e-02, nfg = 2
[ Info: GD: iter 845: f = 0.000000000000, ‖∇f‖ = 1.1203e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 846: f = 0.000000000000, ‖∇f‖ = 9.8808e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 847: f = 0.000000000000, ‖∇f‖ = 1.0712e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 848: f = 0.000000000000, ‖∇f‖ = 9.4478e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 849: f = 0.000000000000, ‖∇f‖ = 1.0242e-08, α = 7.42e-02, nfg = 2
[ Info: GD: iter 850: f = 0.000000000000, ‖∇f‖ = 9.0337e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 851: f = 0.000000000000, ‖∇f‖ = 9.7934e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 852: f = 0.000000000000, ‖∇f‖ = 8.6378e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 853: f = 0.000000000000, ‖∇f‖ = 9.3642e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 854: f = 0.000000000000, ‖∇f‖ = 8.2593e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 855: f = 0.000000000000, ‖∇f‖ = 8.9538e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 856: f = 0.000000000000, ‖∇f‖ = 7.8973e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 857: f = 0.000000000000, ‖∇f‖ = 8.5614e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 858: f = 0.000000000000, ‖∇f‖ = 7.5512e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 859: f = 0.000000000000, ‖∇f‖ = 8.1862e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 860: f = 0.000000000000, ‖∇f‖ = 7.2203e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 861: f = 0.000000000000, ‖∇f‖ = 7.8274e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 862: f = 0.000000000000, ‖∇f‖ = 6.9038e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 863: f = 0.000000000000, ‖∇f‖ = 7.4844e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 864: f = 0.000000000000, ‖∇f‖ = 6.6013e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 865: f = 0.000000000000, ‖∇f‖ = 7.1564e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 866: f = 0.000000000000, ‖∇f‖ = 6.3120e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 867: f = 0.000000000000, ‖∇f‖ = 6.8427e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 868: f = 0.000000000000, ‖∇f‖ = 6.0353e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 869: f = 0.000000000000, ‖∇f‖ = 6.5429e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 870: f = 0.000000000000, ‖∇f‖ = 5.7708e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 871: f = 0.000000000000, ‖∇f‖ = 6.2561e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 872: f = 0.000000000000, ‖∇f‖ = 5.5179e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 873: f = 0.000000000000, ‖∇f‖ = 5.9819e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 874: f = 0.000000000000, ‖∇f‖ = 5.2761e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 875: f = 0.000000000000, ‖∇f‖ = 5.7198e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 876: f = 0.000000000000, ‖∇f‖ = 5.0449e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 877: f = 0.000000000000, ‖∇f‖ = 5.4691e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 878: f = 0.000000000000, ‖∇f‖ = 4.8238e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 879: f = 0.000000000000, ‖∇f‖ = 5.2294e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 880: f = 0.000000000000, ‖∇f‖ = 4.6124e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 881: f = 0.000000000000, ‖∇f‖ = 5.0002e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 882: f = 0.000000000000, ‖∇f‖ = 4.4102e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 883: f = 0.000000000000, ‖∇f‖ = 4.7811e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 884: f = 0.000000000000, ‖∇f‖ = 4.2170e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 885: f = 0.000000000000, ‖∇f‖ = 4.5716e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 886: f = 0.000000000000, ‖∇f‖ = 4.0322e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 887: f = 0.000000000000, ‖∇f‖ = 4.3712e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 888: f = 0.000000000000, ‖∇f‖ = 3.8554e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 889: f = 0.000000000000, ‖∇f‖ = 4.1796e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 890: f = 0.000000000000, ‖∇f‖ = 3.6865e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 891: f = 0.000000000000, ‖∇f‖ = 3.9965e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 892: f = 0.000000000000, ‖∇f‖ = 3.5249e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 893: f = 0.000000000000, ‖∇f‖ = 3.8213e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 894: f = 0.000000000000, ‖∇f‖ = 3.3704e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 895: f = 0.000000000000, ‖∇f‖ = 3.6539e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 896: f = 0.000000000000, ‖∇f‖ = 3.2227e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 897: f = 0.000000000000, ‖∇f‖ = 3.4937e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 898: f = 0.000000000000, ‖∇f‖ = 3.0815e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 899: f = 0.000000000000, ‖∇f‖ = 3.3406e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 900: f = 0.000000000000, ‖∇f‖ = 2.9464e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 901: f = 0.000000000000, ‖∇f‖ = 3.1942e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 902: f = 0.000000000000, ‖∇f‖ = 2.8173e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 903: f = 0.000000000000, ‖∇f‖ = 3.0542e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 904: f = 0.000000000000, ‖∇f‖ = 2.6938e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 905: f = 0.000000000000, ‖∇f‖ = 2.9204e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 906: f = 0.000000000000, ‖∇f‖ = 2.5758e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 907: f = 0.000000000000, ‖∇f‖ = 2.7924e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 908: f = 0.000000000000, ‖∇f‖ = 2.4629e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 909: f = 0.000000000000, ‖∇f‖ = 2.6700e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 910: f = 0.000000000000, ‖∇f‖ = 2.3550e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 911: f = 0.000000000000, ‖∇f‖ = 2.5530e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 912: f = 0.000000000000, ‖∇f‖ = 2.2518e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 913: f = 0.000000000000, ‖∇f‖ = 2.4411e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 914: f = 0.000000000000, ‖∇f‖ = 2.1531e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 915: f = 0.000000000000, ‖∇f‖ = 2.3341e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 916: f = 0.000000000000, ‖∇f‖ = 2.0587e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 917: f = 0.000000000000, ‖∇f‖ = 2.2318e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 918: f = 0.000000000000, ‖∇f‖ = 1.9685e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 919: f = 0.000000000000, ‖∇f‖ = 2.1340e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 920: f = 0.000000000000, ‖∇f‖ = 1.8822e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 921: f = 0.000000000000, ‖∇f‖ = 2.0405e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 922: f = 0.000000000000, ‖∇f‖ = 1.7997e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 923: f = 0.000000000000, ‖∇f‖ = 1.9511e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 924: f = 0.000000000000, ‖∇f‖ = 1.7209e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 925: f = 0.000000000000, ‖∇f‖ = 1.8656e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 926: f = 0.000000000000, ‖∇f‖ = 1.6454e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 927: f = 0.000000000000, ‖∇f‖ = 1.7838e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 928: f = 0.000000000000, ‖∇f‖ = 1.5733e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 929: f = 0.000000000000, ‖∇f‖ = 1.7056e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 930: f = 0.000000000000, ‖∇f‖ = 1.5044e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 931: f = 0.000000000000, ‖∇f‖ = 1.6309e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 932: f = 0.000000000000, ‖∇f‖ = 1.4385e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 933: f = 0.000000000000, ‖∇f‖ = 1.5594e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 934: f = 0.000000000000, ‖∇f‖ = 1.3754e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 935: f = 0.000000000000, ‖∇f‖ = 1.4911e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 936: f = 0.000000000000, ‖∇f‖ = 1.3151e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 937: f = 0.000000000000, ‖∇f‖ = 1.4257e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 938: f = 0.000000000000, ‖∇f‖ = 1.2575e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 939: f = 0.000000000000, ‖∇f‖ = 1.3632e-09, α = 7.42e-02, nfg = 2
[ Info: GD: iter 940: f = 0.000000000000, ‖∇f‖ = 1.2024e-09, α = 6.04e-02, nfg = 2
[ Info: GD: iter 941: f = 0.000000000000, ‖∇f‖ = 1.3035e-09, α = 7.42e-02, nfg = 2