1c4762a1bSJed Brown 2c4762a1bSJed Brown---- Minimum Surface Area With Plate Problem ----- 3c4762a1bSJed Brownmx:8, my:6, bmx:3, bmy:3, height:0.2 4c4762a1bSJed Browniter = 0, Function value 1.67039, Residual: 0.47529 5c4762a1bSJed Brown iter = 0, Function value 1.67039, Residual: 0.47529 6c4762a1bSJed Brown iter = 0, Function value 1.57666, Residual: 0.422933 7c4762a1bSJed Brown iter = 1, Function value 1.5357, Residual: 0.235251 8c4762a1bSJed Brown iter = 2, Function value 1.52086, Residual: 0.15742 9c4762a1bSJed Brown iter = 3, Function value 1.51361, Residual: 0.261202 10c4762a1bSJed Browniter = 1, Function value 1.50846, Residual: 0.0892734 11c4762a1bSJed Brown iter = 0, Function value 1.50846, Residual: 0.0892734 12c4762a1bSJed Brown iter = 1, Function value 1.50774, Residual: 0.122322 13c4762a1bSJed Brown iter = 2, Function value 1.50674, Residual: 0.0501668 14c4762a1bSJed Brown iter = 3, Function value 1.50628, Residual: 0.0251461 15c4762a1bSJed Browniter = 2, Function value 1.50583, Residual: 0.0201038 16c4762a1bSJed Brown iter = 0, Function value 1.50583, Residual: 0.0201038 17c4762a1bSJed Brown iter = 1, Function value 1.50578, Residual: 0.0166168 18c4762a1bSJed Brown iter = 2, Function value 1.50573, Residual: 0.0201163 19c4762a1bSJed Brown iter = 3, Function value 1.50569, Residual: 0.0100951 20c4762a1bSJed Browniter = 3, Function value 1.50566, Residual: 6.45547e-05 21c4762a1bSJed Brown iter = 0, Function value 1.50566, Residual: 6.45547e-05 22c4762a1bSJed Brown iter = 1, Function value 1.50566, Residual: 9.87536e-05 23c4762a1bSJed Brown iter = 2, Function value 1.50566, Residual: 4.96751e-05 24c4762a1bSJed Brown iter = 3, Function value 1.50566, Residual: 1.98677e-05 25c4762a1bSJed Browniter = 4, Function value 1.50566, Residual: < 1.0e-6 268cc725e6SPierre JolivetTao Object: 1 MPI process 27c4762a1bSJed Brown type: bnls 28c4762a1bSJed Brown Rejected BFGS updates: 0 29c4762a1bSJed Brown CG steps: 12 30c4762a1bSJed Brown Newton steps: 3 31c4762a1bSJed Brown BFGS steps: 0 32c4762a1bSJed Brown Scaled gradient steps: 1 33c4762a1bSJed Brown Gradient steps: 0 34c4762a1bSJed Brown KSP termination reasons: 35c4762a1bSJed Brown atol: 0 36c4762a1bSJed Brown rtol: 3 37c4762a1bSJed Brown ctol: 1 38c4762a1bSJed Brown negc: 0 39c4762a1bSJed Brown dtol: 0 40c4762a1bSJed Brown iter: 0 41c4762a1bSJed Brown othr: 0 428cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 43c4762a1bSJed Brown type: more-thuente 44c4762a1bSJed Brown maximum function evaluations=30 45c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 46c4762a1bSJed Brown total number of function evaluations=0 47c4762a1bSJed Brown total number of gradient evaluations=0 48c4762a1bSJed Brown total number of function/gradient evaluations=1 49c4762a1bSJed Brown using variable bounds 50c4762a1bSJed Brown Termination reason: 1 518cc725e6SPierre Jolivet KSP Object: (tao_bnk_) 1 MPI process 52c4762a1bSJed Brown type: stcg 53c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 54c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 55c4762a1bSJed Brown left preconditioning 56c4762a1bSJed Brown using UNPRECONDITIONED norm type for convergence test 578cc725e6SPierre Jolivet PC Object: (tao_bnk_) 1 MPI process 58c4762a1bSJed Brown type: lmvm 59*0e02354eSStefano Zampini Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process 60c4762a1bSJed Brown type: lmvmbfgs 61c4762a1bSJed Brown rows=48, cols=48 6292f76d53SAlp Dener Scale type: DIAGONAL 63c4762a1bSJed Brown Scale history: 1 64c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 65c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 66c4762a1bSJed Brown Max. storage: 5 67c4762a1bSJed Brown Used storage: 3 68c4762a1bSJed Brown Number of updates: 3 69c4762a1bSJed Brown Number of rejects: 0 70c4762a1bSJed Brown Number of resets: 1 71*0e02354eSStefano Zampini Mat Object: (tao_bnk_pc_lmvm_J0_) 1 MPI process 72864588a7SAlp Dener type: lmvmdiagbroyden 73c4762a1bSJed Brown rows=48, cols=48 74c4762a1bSJed Brown Scale history: 1 75c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 76c4762a1bSJed Brown Convex factor: theta=0.125 77c4762a1bSJed Brown Max. storage: 1 78c4762a1bSJed Brown Used storage: 1 79c4762a1bSJed Brown Number of updates: 3 80c4762a1bSJed Brown Number of rejects: 0 81c4762a1bSJed Brown Number of resets: 1 82c4762a1bSJed Brown linear system matrix = precond matrix: 838cc725e6SPierre Jolivet Mat Object: 1 MPI process 84c4762a1bSJed Brown type: seqaij 85c4762a1bSJed Brown rows=40, cols=40 86c4762a1bSJed Brown total: nonzeros=190, allocated nonzeros=190 87c4762a1bSJed Brown total number of mallocs used during MatSetValues calls=0 88c4762a1bSJed Brown not using I-node routines 89c4762a1bSJed Brown total KSP iterations: 59 90c4762a1bSJed Brown Active Set subset type: subvec 91c4762a1bSJed Brown convergence tolerances: gatol=1e-05, steptol=0., gttol=0. 92c4762a1bSJed Brown Residual in Function/Gradient:=2.07969e-08 93c4762a1bSJed Brown Objective value=1.50566 94c4762a1bSJed Brown total number of iterations=4, (max: 50) 95c4762a1bSJed Brown total number of function/gradient evaluations=35, (max: 4000) 96c4762a1bSJed Brown total number of Hessian evaluations=4 97c4762a1bSJed Brown Solution converged: ||g(X)|| <= gatol 98