1*c4762a1bSJed Brown 2*c4762a1bSJed Brown---- Minimum Surface Area With Plate Problem ----- 3*c4762a1bSJed Brownmx:8, my:6, bmx:3, bmy:3, height:0.2 4*c4762a1bSJed Browniter = 0, Function value 1.67039, Residual: 0.47529 5*c4762a1bSJed Browniter = 1, Function value 1.50978, Residual: 0.128026 6*c4762a1bSJed Browniter = 2, Function value 1.5058, Residual: 0.0448655 7*c4762a1bSJed Browniter = 3, Function value 1.50566, Residual: 0.000115801 8*c4762a1bSJed Browniter = 4, Function value 1.50566, Residual: < 1.0e-6 9*c4762a1bSJed BrownTao Object: 1 MPI processes 10*c4762a1bSJed Brown type: bnls 11*c4762a1bSJed Brown Rejected BFGS updates: 0 12*c4762a1bSJed Brown CG steps: 0 13*c4762a1bSJed Brown Newton steps: 4 14*c4762a1bSJed Brown BFGS steps: 0 15*c4762a1bSJed Brown Scaled gradient steps: 0 16*c4762a1bSJed Brown Gradient steps: 0 17*c4762a1bSJed Brown KSP termination reasons: 18*c4762a1bSJed Brown atol: 0 19*c4762a1bSJed Brown rtol: 4 20*c4762a1bSJed Brown ctol: 0 21*c4762a1bSJed Brown negc: 0 22*c4762a1bSJed Brown dtol: 0 23*c4762a1bSJed Brown iter: 0 24*c4762a1bSJed Brown othr: 0 25*c4762a1bSJed Brown TaoLineSearch Object: 1 MPI processes 26*c4762a1bSJed Brown type: more-thuente 27*c4762a1bSJed Brown maximum function evaluations=30 28*c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 29*c4762a1bSJed Brown total number of function evaluations=0 30*c4762a1bSJed Brown total number of gradient evaluations=0 31*c4762a1bSJed Brown total number of function/gradient evaluations=1 32*c4762a1bSJed Brown using variable bounds 33*c4762a1bSJed Brown Termination reason: 1 34*c4762a1bSJed Brown KSP Object: (tao_bnk_) 1 MPI processes 35*c4762a1bSJed Brown type: stcg 36*c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 37*c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 38*c4762a1bSJed Brown left preconditioning 39*c4762a1bSJed Brown using UNPRECONDITIONED norm type for convergence test 40*c4762a1bSJed Brown PC Object: (tao_bnk_) 1 MPI processes 41*c4762a1bSJed Brown type: lmvm 42*c4762a1bSJed Brown Mat Object: (pc_lmvm_) 1 MPI processes 43*c4762a1bSJed Brown type: lmvmbfgs 44*c4762a1bSJed Brown rows=48, cols=48 45*c4762a1bSJed Brown Scale type: diagonal 46*c4762a1bSJed Brown Scale history: 1 47*c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 48*c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 49*c4762a1bSJed Brown Max. storage: 5 50*c4762a1bSJed Brown Used storage: 3 51*c4762a1bSJed Brown Number of updates: 3 52*c4762a1bSJed Brown Number of rejects: 0 53*c4762a1bSJed Brown Number of resets: 0 54*c4762a1bSJed Brown Mat Object: (J0_) 1 MPI processes 55*c4762a1bSJed Brown type: lmvmdiagbrdn 56*c4762a1bSJed Brown rows=48, cols=48 57*c4762a1bSJed Brown Scale history: 1 58*c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 59*c4762a1bSJed Brown Convex factor: theta=0.125 60*c4762a1bSJed Brown Max. storage: 1 61*c4762a1bSJed Brown Used storage: 1 62*c4762a1bSJed Brown Number of updates: 3 63*c4762a1bSJed Brown Number of rejects: 0 64*c4762a1bSJed Brown Number of resets: 0 65*c4762a1bSJed Brown linear system matrix = precond matrix: 66*c4762a1bSJed Brown Mat Object: 1 MPI processes 67*c4762a1bSJed Brown type: seqaij 68*c4762a1bSJed Brown rows=40, cols=40 69*c4762a1bSJed Brown total: nonzeros=190, allocated nonzeros=190 70*c4762a1bSJed Brown total number of mallocs used during MatSetValues calls=0 71*c4762a1bSJed Brown not using I-node routines 72*c4762a1bSJed Brown total KSP iterations: 79 73*c4762a1bSJed Brown Active Set subset type: subvec 74*c4762a1bSJed Brown convergence tolerances: gatol=1e-05, steptol=0., gttol=0. 75*c4762a1bSJed Brown Residual in Function/Gradient:=9.00122e-09 76*c4762a1bSJed Brown Objective value=1.50566 77*c4762a1bSJed Brown total number of iterations=4, (max: 50) 78*c4762a1bSJed Brown total number of function/gradient evaluations=6, (max: 4000) 79*c4762a1bSJed Brown total number of Hessian evaluations=4 80*c4762a1bSJed Brown Solution converged: ||g(X)|| <= gatol 81