1#@ s*: Label=FastTest 2# DAKOTA INPUT FILE - dakota_rosenbrock_hessians.in 3 4# This sample Dakota input file optimizes the Rosenbrock function. 5# See p. 95 in Practical Optimization by Gill, Murray, and Wright. 6 7# This tester executes optpp_newton with a series of Hessian settings: 8# analytic, quasi BFGS, quasi SR1, 1st-order FD, and 2nd-order FD. 9 10method, 11 optpp_newton 12 max_iterations = 50, 13 convergence_tolerance = 1e-4 14# output debug 15 16variables, 17 continuous_design = 2 18 initial_point -1.2 1.0 19 lower_bounds -2.0 -2.0 20 upper_bounds 2.0 2.0 21 descriptors 'x1' 'x2' 22 23interface, 24 direct 25 analysis_driver = 'rosenbrock' 26 27responses, 28 objective_functions = 1 29 analytic_gradients #s0,#s1,#s2,#s3 30# numerical_gradients #s4 31# method_source dakota #s4 32# interval_type central #s4 33# fd_gradient_step_size = 1.e-5 #s4 34 analytic_hessians #s0 35# quasi_hessians damped bfgs #s1 36# quasi_hessians sr1 #s2 37# numerical_hessians #s3,#s4 38# fd_hessian_step_size = 1.e-5 #s3,#s4 39