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 processes 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 processes 34 type: lmvmdiagbroyden 35 rows=48, cols=48 36 Scale history: 1 37 Scale params: alpha=1., beta=0.5, rho=1. 38 Convex factor: theta=0. 39 Max. storage: 1 40 Used storage: 1 41 Number of updates: 18 42 Number of rejects: 0 43 Number of resets: 1 44 TaoLineSearch Object: 1 MPI processes 45 type: more-thuente 46 maximum function evaluations=30 47 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 48 total number of function evaluations=0 49 total number of gradient evaluations=0 50 total number of function/gradient evaluations=1 51 using variable bounds 52 Termination reason: 1 53 Active Set subset type: subvec 54 convergence tolerances: gatol=0.0001, steptol=0., gttol=0. 55 Residual in Function/Gradient:=8.16242e-05 56 Objective value=1.50566 57 total number of iterations=19, (max: 2000) 58 total number of function/gradient evaluations=25, (max: 4000) 59 Solution converged: ||g(X)|| <= gatol 60