Evolution Strategy

class jmetal.algorithm.singleobjective.evolution_strategy.EvolutionStrategy(problem: ~jmetal.core.problem.Problem, mu: int, lambda_: int, elitist: bool, mutation: ~jmetal.core.operator.Mutation, termination_criterion: ~jmetal.util.termination_criterion.TerminationCriterion, population_generator: ~jmetal.util.generator.Generator = <jmetal.util.generator.RandomGenerator object>, population_evaluator: ~jmetal.util.evaluator.Evaluator = <jmetal.util.evaluator.SequentialEvaluator object>)[source]

Bases: EvolutionaryAlgorithm[S, R]

create_initial_solutions() List[S][source]

Creates the initial list of solutions of a metaheuristic.

evaluate(solution_list: List[S])[source]

Evaluates a solution list.

get_name() str[source]
replacement(population: List[S], offspring_population: List[S]) List[S][source]

Replace least-fit population with new individuals.

reproduction(population: List[S]) List[S][source]

Breed new individuals through crossover and mutation operations to give birth to offspring.

result() R[source]
selection(population: List[S]) List[S][source]

Select the best-fit individuals for reproduction (parents).

stopping_condition_is_met() bool[source]

The stopping condition is met or not.