Class: MetaheuristicAlgorithms::FunctionWrappers::RosenbrookFunctionWrapper

Inherits:
AbstractWrapper
  • Object
show all
Defined in:
lib/metaheuristic_algorithms/function_wrappers/rosenbrook_function_wrapper.rb

Instance Method Summary collapse

Instance Method Details

#initial_decision_variable_value_estimates ⇒ Object 



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# File 'lib/metaheuristic_algorithms/function_wrappers/rosenbrook_function_wrapper.rb', line 22

def initial_decision_variable_value_estimates
  # [BigDecimal('2'), BigDecimal('2')]
  [2, 2]
end

#maximum_decision_variable_values ⇒ Object 



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# File 'lib/metaheuristic_algorithms/function_wrappers/rosenbrook_function_wrapper.rb', line 7

def maximum_decision_variable_values
  # [BigDecimal('5'), BigDecimal('5')]
  [5, 5]
end

#minimum_decision_variable_values ⇒ Object 



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# File 'lib/metaheuristic_algorithms/function_wrappers/rosenbrook_function_wrapper.rb', line 12

def minimum_decision_variable_values
  # [BigDecimal('-5'), BigDecimal('-5')]
  [-5, -5]
end

#objective_function_value(decision_variable_values) ⇒ Object 



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# File 'lib/metaheuristic_algorithms/function_wrappers/rosenbrook_function_wrapper.rb', line 17

def objective_function_value(decision_variable_values)
  # (BigDecimal('1') - decision_variable_values[0]).power(2) + BigDecimal('100') * (decision_variable_values[1] - decision_variable_values[0].power(2)).power(2)
  (1 - decision_variable_values[0])**2 + 100 * (decision_variable_values[1] - decision_variable_values[0]**2)**2
end