1c4762a1bSJed Brown 2c4762a1bSJed Brown---- Minimum Surface Area With Plate Problem ----- 3c4762a1bSJed Brownmx:8, my:8, bmx:2, bmy:5, height:0.3 4c4762a1bSJed Browniter = 0, Function value 1.83917, Residual: 0.44807 5c4762a1bSJed Browniter = 1, Function value 1.79522, Residual: 0.58077 6c4762a1bSJed Browniter = 2, Function value 1.68677, Residual: 0.332042 7c4762a1bSJed Browniter = 3, Function value 1.65405, Residual: 0.477018 8c4762a1bSJed Browniter = 4, Function value 1.61302, Residual: 0.142922 9c4762a1bSJed Browniter = 5, Function value 1.60888, Residual: 0.0809677 10c4762a1bSJed Browniter = 6, Function value 1.60667, Residual: 0.0648005 11c4762a1bSJed Browniter = 7, Function value 1.60351, Residual: 0.0601214 12c4762a1bSJed Browniter = 8, Function value 1.60249, Residual: 0.066145 13c4762a1bSJed Browniter = 9, Function value 1.60164, Residual: 0.0368939 14c4762a1bSJed Browniter = 10, Function value 1.60133, Residual: 0.0252556 15c4762a1bSJed Browniter = 11, Function value 1.6012, Residual: 0.0137144 16c4762a1bSJed Browniter = 12, Function value 1.60116, Residual: 0.00557861 17c4762a1bSJed Browniter = 13, Function value 1.60115, Residual: 0.00396689 18c4762a1bSJed Browniter = 14, Function value 1.60115, Residual: 0.00147233 19c4762a1bSJed Browniter = 15, Function value 1.60115, Residual: 0.00119981 20c4762a1bSJed Browniter = 16, Function value 1.60115, Residual: 0.00101585 21c4762a1bSJed Browniter = 17, Function value 1.60115, Residual: 0.00139896 22c4762a1bSJed Browniter = 18, Function value 1.60115, Residual: 0.000311967 23c4762a1bSJed Browniter = 19, Function value 1.60115, Residual: 0.000165684 24c4762a1bSJed Browniter = 20, Function value 1.60115, Residual: 0.000124522 25c4762a1bSJed Browniter = 21, Function value 1.60115, Residual: 0.000148965 26c4762a1bSJed Browniter = 22, Function value 1.60115, Residual: 5.30587e-05 27*8cc725e6SPierre JolivetTao Object: 1 MPI process 28c4762a1bSJed Brown type: bqnkls 29c4762a1bSJed Brown Rejected BFGS updates: 0 30c4762a1bSJed Brown CG steps: 0 31c4762a1bSJed Brown Newton steps: 22 32c4762a1bSJed Brown BFGS steps: 0 33c4762a1bSJed Brown Scaled gradient steps: 0 34c4762a1bSJed Brown Gradient steps: 0 35c4762a1bSJed Brown KSP termination reasons: 36c4762a1bSJed Brown atol: 0 37c4762a1bSJed Brown rtol: 22 38c4762a1bSJed Brown ctol: 0 39c4762a1bSJed Brown negc: 0 40c4762a1bSJed Brown dtol: 0 41c4762a1bSJed Brown iter: 0 42c4762a1bSJed Brown othr: 0 43*8cc725e6SPierre Jolivet Mat Object: (tao_bqnk_) 1 MPI process 44c4762a1bSJed Brown type: lmvmbfgs 45c4762a1bSJed Brown rows=64, cols=64 4692f76d53SAlp Dener Scale type: DIAGONAL 47c4762a1bSJed Brown Scale history: 1 48c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 49c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 50c4762a1bSJed Brown Max. storage: 5 51c4762a1bSJed Brown Used storage: 5 52c4762a1bSJed Brown Number of updates: 21 53c4762a1bSJed Brown Number of rejects: 0 54c4762a1bSJed Brown Number of resets: 0 55*8cc725e6SPierre Jolivet Mat Object: (J0_) 1 MPI process 56864588a7SAlp Dener type: lmvmdiagbroyden 57c4762a1bSJed Brown rows=64, cols=64 58c4762a1bSJed Brown Scale history: 1 59c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 60c4762a1bSJed Brown Convex factor: theta=0.125 61c4762a1bSJed Brown Max. storage: 1 62c4762a1bSJed Brown Used storage: 1 63c4762a1bSJed Brown Number of updates: 21 64c4762a1bSJed Brown Number of rejects: 0 65c4762a1bSJed Brown Number of resets: 0 66*8cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 67c4762a1bSJed Brown type: more-thuente 68c4762a1bSJed Brown maximum function evaluations=30 69c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 70c4762a1bSJed Brown total number of function evaluations=0 71c4762a1bSJed Brown total number of gradient evaluations=0 72c4762a1bSJed Brown total number of function/gradient evaluations=1 73c4762a1bSJed Brown using variable bounds 74c4762a1bSJed Brown Termination reason: 1 75*8cc725e6SPierre Jolivet KSP Object: (tao_bnk_) 1 MPI process 76c4762a1bSJed Brown type: stcg 77c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 78c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 79c4762a1bSJed Brown left preconditioning 80c4762a1bSJed Brown using UNPRECONDITIONED norm type for convergence test 81*8cc725e6SPierre Jolivet PC Object: (tao_bnk_) 1 MPI process 82c4762a1bSJed Brown type: lmvm 83*8cc725e6SPierre Jolivet Mat Object: (tao_bqnk_) 1 MPI process 84c4762a1bSJed Brown type: lmvmbfgs 85c4762a1bSJed Brown rows=64, cols=64 8692f76d53SAlp Dener Scale type: DIAGONAL 87c4762a1bSJed Brown Scale history: 1 88c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 89c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 90c4762a1bSJed Brown Max. storage: 5 91c4762a1bSJed Brown Used storage: 5 92c4762a1bSJed Brown Number of updates: 21 93c4762a1bSJed Brown Number of rejects: 0 94c4762a1bSJed Brown Number of resets: 0 95*8cc725e6SPierre Jolivet Mat Object: (J0_) 1 MPI process 96864588a7SAlp Dener type: lmvmdiagbroyden 97c4762a1bSJed Brown rows=64, cols=64 98c4762a1bSJed Brown Scale history: 1 99c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 100c4762a1bSJed Brown Convex factor: theta=0.125 101c4762a1bSJed Brown Max. storage: 1 102c4762a1bSJed Brown Used storage: 1 103c4762a1bSJed Brown Number of updates: 21 104c4762a1bSJed Brown Number of rejects: 0 105c4762a1bSJed Brown Number of resets: 0 106c4762a1bSJed Brown linear system matrix = precond matrix: 107*8cc725e6SPierre Jolivet Mat Object: 1 MPI process 108c4762a1bSJed Brown type: submatrix 109c4762a1bSJed Brown rows=52, cols=52 110c4762a1bSJed Brown total KSP iterations: 61 111c4762a1bSJed Brown Active Set subset type: subvec 112c4762a1bSJed Brown convergence tolerances: gatol=0.0001, steptol=0., gttol=0. 113c4762a1bSJed Brown Residual in Function/Gradient:=5.30587e-05 114c4762a1bSJed Brown Objective value=1.60115 115c4762a1bSJed Brown total number of iterations=22, (max: 50) 116c4762a1bSJed Brown total number of function/gradient evaluations=25, (max: 4000) 117c4762a1bSJed Brown Solution converged: ||g(X)|| <= gatol 118