def __init__(self, param_bounds):
"""
Initialise the optimization environment
:param param_bounds: Legal parameter bounds
"""
super(_GAOptimizer, self).__init__()
self.param_bounds = param_bounds
self.num_params = len(self.param_bounds)
self.optimizer = GeneticAlgorithm.Optimizer()
self.optimizer.timeout = None
self.optimizer.hall_of_fame_size = 5
self.optimizer.max_iterations = 5
self.optimizer.log = self.__log
self.optimizer.elite_count = 1
self.optimizer.population_size = 5
self.optimizer.initialization = GeneticAlgorithm.UniformInitialisation(
)
self.optimizer.selection = GeneticAlgorithm.TournamentSelection()
self.optimizer.selection.tournament_ratio = 0.1
self.optimizer.selection.selection_ratio = 0.75
self.optimizer.crossover = GeneticAlgorithm.OnePointCrossover()
self.optimizer.mutation = GeneticAlgorithm.GaussianMutation()
self.optimizer.mutation.point_mutation_ratio = 0.15
self.optimizer.mutation.mu = 0.0
self.optimizer.mutation.sigma = 0.01
