opt_patternsearch2.in

# Dakota Input File: opt_patternsearch.in

environment
## Activate Dakota's legacy X Windows-based graphics on Unix systems
## Consider newer capabilities in the Dakota GUI
  #graphics
  tabular_data
    tabular_data_file = 'opt_patternsearch.dat'

method
  coliny_pattern_search
    initial_delta = 3.
    solution_target = 0.
    #expand_after_success = 2
    exploratory_moves
      adaptive_pattern
    contraction_factor = 0.75
    max_iterations = 30
    max_function_evaluations = 30
    variable_tolerance = 1e-4

model
  single

variables
  continuous_design = 2
    initial_point    1.5   0.67
    lower_bounds     0.5   0.5
    upper_bounds     3.0   0.75 
    descriptors     's1'  'a1'  

interface
  fork
    analysis_drivers = 'Dakota_interface.py'
  parameters_file = 'params.in'
  results_file = 'results.out'
  work_directory directory_tag

responses
  objective_functions = 1

  no_gradients
  no_hessians