1 2---- Minimum Surface Area With Plate Problem ----- 3mx:8, my:6, bmx:3, bmy:3, height:0.2 4iter = 0, Function value 1.67039, Residual: 0.47529 5iter = 0, Function value 1.57666, Residual: 0.422933 6iter = 1, Function value 1.5357, Residual: 0.235251 7iter = 2, Function value 1.52086, Residual: 0.15742 8iter = 3, Function value 1.51361, Residual: 0.261202 9iter = 4, Function value 1.50947, Residual: 0.117507 10iter = 5, Function value 1.50778, Residual: 0.0626655 11iter = 6, Function value 1.50687, Residual: 0.0385374 12iter = 7, Function value 1.5063, Residual: 0.0318989 13iter = 8, Function value 1.50589, Residual: 0.022596 14iter = 9, Function value 1.50576, Residual: 0.0199543 15iter = 10, Function value 1.5057, Residual: 0.00853368 16iter = 11, Function value 1.50568, Residual: 0.00479411 17iter = 12, Function value 1.50567, Residual: 0.00348973 18iter = 13, Function value 1.50567, Residual: 0.00513368 19iter = 14, Function value 1.50566, Residual: 0.00110589 20iter = 15, Function value 1.50566, Residual: 0.000705631 21iter = 16, Function value 1.50566, Residual: 0.000326351 22iter = 17, Function value 1.50566, Residual: 0.000313038 23iter = 18, Function value 1.50566, Residual: 0.000144096 24iter = 19, Function value 1.50566, Residual: 8.16242e-05 25Tao Object: 1 MPI process 26 type: bncg 27 CG Type: ssml_bfgs 28 Skipped Stepdirection Updates: 0 29 Scaled gradient steps: 0 30 Pure gradient steps: 0 31 Not a descent direction: 0 32 Line search fails: 0 33 Mat Object: (tao_bncg_) 1 MPI process 34 type: lmvmdiagbroyden 35 rows=48, cols=48 36 Max. storage: 1 37 Used storage: 1 38 Number of updates: 18 39 Number of rejects: 0 40 Number of resets: 1 41 J0: 42 Mat Object: (tao_bncg_mat_lmvm_J0_) 1 MPI process 43 type: diagonal 44 rows=48, cols=48 45 Vec Object: 1 MPI process 46 type: seq 47 Rescale type: diagonal 48 Rescale history: 1 49 Rescale params: alpha=1., beta=0.5, rho=1. 50 Rescale convex factor: theta=0. 51 TaoLineSearch Object: 1 MPI process 52 type: more-thuente 53 maximum function evaluations=30 54 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 55 total number of function evaluations=0 56 total number of gradient evaluations=0 57 total number of function/gradient evaluations=1 58 using variable bounds 59 Termination reason: 1 60 Active Set subset type: subvec 61 convergence tolerances: gatol=0.0001, grtol=1e-08, steptol=0., gttol=0. 62 Residual in Function/Gradient:=8.16242e-05 63 Objective value=1.50566 64 total number of iterations=19, (max: 2000) 65 total number of function/gradient evaluations=25, (max: 4000) 66 Solution converged: ||g(X)|| <= gatol 67