1*c4762a1bSJed Brown 2*c4762a1bSJed Brown---- Minimum Surface Area With Plate Problem ----- 3*c4762a1bSJed Brownmx:8, my:8, bmx:2, bmy:5, height:0.3 4*c4762a1bSJed Browniter = 0, Function value 1.83917, Residual: 0.44807 5*c4762a1bSJed Browniter = 1, Function value 1.79522, Residual: 0.58077 6*c4762a1bSJed Browniter = 2, Function value 1.68677, Residual: 0.332042 7*c4762a1bSJed Browniter = 3, Function value 1.65405, Residual: 0.477018 8*c4762a1bSJed Browniter = 4, Function value 1.61302, Residual: 0.142922 9*c4762a1bSJed Browniter = 5, Function value 1.60888, Residual: 0.0809677 10*c4762a1bSJed Browniter = 6, Function value 1.60667, Residual: 0.0648005 11*c4762a1bSJed Browniter = 7, Function value 1.60351, Residual: 0.0601214 12*c4762a1bSJed Browniter = 8, Function value 1.60249, Residual: 0.066145 13*c4762a1bSJed Browniter = 9, Function value 1.60164, Residual: 0.0368939 14*c4762a1bSJed Browniter = 10, Function value 1.60133, Residual: 0.0252556 15*c4762a1bSJed Browniter = 11, Function value 1.6012, Residual: 0.0137144 16*c4762a1bSJed Browniter = 12, Function value 1.60116, Residual: 0.00557861 17*c4762a1bSJed Browniter = 13, Function value 1.60115, Residual: 0.00396689 18*c4762a1bSJed Browniter = 14, Function value 1.60115, Residual: 0.00147233 19*c4762a1bSJed Browniter = 15, Function value 1.60115, Residual: 0.00119981 20*c4762a1bSJed Browniter = 16, Function value 1.60115, Residual: 0.00101585 21*c4762a1bSJed Browniter = 17, Function value 1.60115, Residual: 0.00139896 22*c4762a1bSJed Browniter = 18, Function value 1.60115, Residual: 0.000311967 23*c4762a1bSJed Browniter = 19, Function value 1.60115, Residual: 0.000165684 24*c4762a1bSJed Browniter = 20, Function value 1.60115, Residual: 0.000124522 25*c4762a1bSJed Browniter = 21, Function value 1.60115, Residual: 0.000148965 26*c4762a1bSJed Browniter = 22, Function value 1.60115, Residual: 5.30587e-05 27*c4762a1bSJed BrownTao Object: 1 MPI processes 28*c4762a1bSJed Brown type: bqnkls 29*c4762a1bSJed Brown Rejected BFGS updates: 0 30*c4762a1bSJed Brown CG steps: 0 31*c4762a1bSJed Brown Newton steps: 22 32*c4762a1bSJed Brown BFGS steps: 0 33*c4762a1bSJed Brown Scaled gradient steps: 0 34*c4762a1bSJed Brown Gradient steps: 0 35*c4762a1bSJed Brown KSP termination reasons: 36*c4762a1bSJed Brown atol: 0 37*c4762a1bSJed Brown rtol: 22 38*c4762a1bSJed Brown ctol: 0 39*c4762a1bSJed Brown negc: 0 40*c4762a1bSJed Brown dtol: 0 41*c4762a1bSJed Brown iter: 0 42*c4762a1bSJed Brown othr: 0 43*c4762a1bSJed Brown Mat Object: (tao_bqnk_) 1 MPI processes 44*c4762a1bSJed Brown type: lmvmbfgs 45*c4762a1bSJed Brown rows=64, cols=64 46*c4762a1bSJed Brown Scale type: diagonal 47*c4762a1bSJed Brown Scale history: 1 48*c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 49*c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 50*c4762a1bSJed Brown Max. storage: 5 51*c4762a1bSJed Brown Used storage: 5 52*c4762a1bSJed Brown Number of updates: 21 53*c4762a1bSJed Brown Number of rejects: 0 54*c4762a1bSJed Brown Number of resets: 0 55*c4762a1bSJed Brown Mat Object: (J0_) 1 MPI processes 56*c4762a1bSJed Brown type: lmvmdiagbrdn 57*c4762a1bSJed Brown rows=64, cols=64 58*c4762a1bSJed Brown Scale history: 1 59*c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 60*c4762a1bSJed Brown Convex factor: theta=0.125 61*c4762a1bSJed Brown Max. storage: 1 62*c4762a1bSJed Brown Used storage: 1 63*c4762a1bSJed Brown Number of updates: 21 64*c4762a1bSJed Brown Number of rejects: 0 65*c4762a1bSJed Brown Number of resets: 0 66*c4762a1bSJed Brown TaoLineSearch Object: 1 MPI processes 67*c4762a1bSJed Brown type: more-thuente 68*c4762a1bSJed Brown maximum function evaluations=30 69*c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 70*c4762a1bSJed Brown total number of function evaluations=0 71*c4762a1bSJed Brown total number of gradient evaluations=0 72*c4762a1bSJed Brown total number of function/gradient evaluations=1 73*c4762a1bSJed Brown using variable bounds 74*c4762a1bSJed Brown Termination reason: 1 75*c4762a1bSJed Brown KSP Object: (tao_bqnk_) 1 MPI processes 76*c4762a1bSJed Brown type: stcg 77*c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 78*c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 79*c4762a1bSJed Brown left preconditioning 80*c4762a1bSJed Brown using UNPRECONDITIONED norm type for convergence test 81*c4762a1bSJed Brown PC Object: (tao_bqnk_) 1 MPI processes 82*c4762a1bSJed Brown type: lmvm 83*c4762a1bSJed Brown Mat Object: (tao_bqnk_) 1 MPI processes 84*c4762a1bSJed Brown type: lmvmbfgs 85*c4762a1bSJed Brown rows=64, cols=64 86*c4762a1bSJed Brown Scale type: diagonal 87*c4762a1bSJed Brown Scale history: 1 88*c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 89*c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 90*c4762a1bSJed Brown Max. storage: 5 91*c4762a1bSJed Brown Used storage: 5 92*c4762a1bSJed Brown Number of updates: 21 93*c4762a1bSJed Brown Number of rejects: 0 94*c4762a1bSJed Brown Number of resets: 0 95*c4762a1bSJed Brown Mat Object: (J0_) 1 MPI processes 96*c4762a1bSJed Brown type: lmvmdiagbrdn 97*c4762a1bSJed Brown rows=64, cols=64 98*c4762a1bSJed Brown Scale history: 1 99*c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 100*c4762a1bSJed Brown Convex factor: theta=0.125 101*c4762a1bSJed Brown Max. storage: 1 102*c4762a1bSJed Brown Used storage: 1 103*c4762a1bSJed Brown Number of updates: 21 104*c4762a1bSJed Brown Number of rejects: 0 105*c4762a1bSJed Brown Number of resets: 0 106*c4762a1bSJed Brown linear system matrix = precond matrix: 107*c4762a1bSJed Brown Mat Object: 1 MPI processes 108*c4762a1bSJed Brown type: submatrix 109*c4762a1bSJed Brown rows=52, cols=52 110*c4762a1bSJed Brown total KSP iterations: 61 111*c4762a1bSJed Brown Active Set subset type: subvec 112*c4762a1bSJed Brown convergence tolerances: gatol=0.0001, steptol=0., gttol=0. 113*c4762a1bSJed Brown Residual in Function/Gradient:=5.30587e-05 114*c4762a1bSJed Brown Objective value=1.60115 115*c4762a1bSJed Brown total number of iterations=22, (max: 50) 116*c4762a1bSJed Brown total number of function/gradient evaluations=25, (max: 4000) 117*c4762a1bSJed Brown Solution converged: ||g(X)|| <= gatol 118