def test_SMPSO(self):
SMPSO(problem=self.problem,
swarm_size=self.population_size,
mutation=self.mutation,
leaders=CrowdingDistanceArchive(100),
termination_criterion=StoppingByEvaluations(
max_evaluations=1000)).run()
def test_should_SMPSO_work_when_solving_problem_ZDT1_with_standard_settings(self):
problem = ZDT1()
algorithm = SMPSO(
problem=problem,
swarm_size=100,
mutation=PolynomialMutation(probability=1.0 / problem.number_of_variables, distribution_index=20),
leaders=CrowdingDistanceArchive(100),
termination_criterion=StoppingByEvaluations(max_evaluations=25000),
)
algorithm.run()
front = algorithm.get_result()
hv = HyperVolume(reference_point=[1, 1])
value = hv.compute([front[i].objectives for i in range(len(front))])
self.assertTrue(value >= 0.655)
def configurar_SMPSO(self):
algorithm = SMPSO(
problem=self.problema,
swarm_size=self.maxima_poblacion,
mutation=PolynomialMutation(probability=self.probabilidad, distribution_index=20),
leaders=CrowdingDistanceArchive(100),
termination_criterion=StoppingByEvaluations(max_evaluations=self.evaluaciones))
return algorithm
def configure_experiment(problems: dict, n_run: int):
jobs = []
max_evaluations = 25000
for run in range(n_run):
for problem_tag, problem in problems.items():
jobs.append(
Job(
algorithm=NSGAII(
problem=problem,
population_size=100,
offspring_population_size=100,
mutation=PolynomialMutation(
probability=1.0 / problem.number_of_variables,
distribution_index=20),
crossover=SBXCrossover(probability=1.0,
distribution_index=20),
termination_criterion=StoppingByEvaluations(
max_evaluations=max_evaluations),
),
algorithm_tag="NSGAII",
problem_tag=problem_tag,
run=run,
))
jobs.append(
Job(
algorithm=GDE3(
problem=problem,
population_size=100,
cr=0.5,
f=0.5,
termination_criterion=StoppingByEvaluations(
max_evaluations=max_evaluations),
),
algorithm_tag="GDE3",
problem_tag=problem_tag,
run=run,
))
jobs.append(
Job(
algorithm=SMPSO(
problem=problem,
swarm_size=100,
mutation=PolynomialMutation(
probability=1.0 / problem.number_of_variables,
distribution_index=20),
leaders=CrowdingDistanceArchive(100),
termination_criterion=StoppingByEvaluations(
max_evaluations=max_evaluations),
),
algorithm_tag="SMPSO",
problem_tag=problem_tag,
run=run,
))
return jobs
def main() -> None:
problem = Kursawe()
algorithm = SMPSO(problem=problem,
swarm_size=100,
max_evaluations=25000,
mutation=Polynomial(1.0 / problem.number_of_variables,
distribution_index=20),
leaders=CrowdingDistanceArchive(100))
algorithm.run()
result = algorithm.get_result()
SolutionListOutput[FloatSolution].print_function_values_to_file(
"FUN." + problem.get_name(), result)
logger.info("Algorithm (continuous problem): " + algorithm.get_name())
logger.info("Problem: " + problem.get_name())
def test_should_constructor_create_a_valid_object(self):
problem = self.__DummyFloatProblem()
algorithm = SMPSO(problem=problem,
swarm_size=100,
max_evaluations=200,
mutation=Polynomial(probability=1.0 /
problem.number_of_variables),
leaders=BoundedArchive[FloatSolution](100))
self.assertEqual(1.5, algorithm.c1_min)
self.assertEqual(2.5, algorithm.c1_max)
self.assertEqual(1.5, algorithm.c2_min)
self.assertEqual(2.5, algorithm.c2_max)
self.assertEqual(0.1, algorithm.min_weight)
self.assertEqual(0.1, algorithm.max_weight)
self.assertEqual(-1.0, algorithm.change_velocity1)
self.assertEqual(-1.0, algorithm.change_velocity2)
self.assertEqual(200, algorithm.max_evaluations)
self.assertEqual((100, 2), algorithm.speed.shape)
numpy.testing.assert_array_almost_equal(numpy.array([2.0, 2.0]),
algorithm.delta_max)
numpy.testing.assert_array_almost_equal(algorithm.delta_max * -1.0,
algorithm.delta_min)
from jmetal.lab.visualization import InteractivePlot, Plot
from jmetal.operator import PolynomialMutation
from jmetal.problem import DTLZ1
from jmetal.util.archive import CrowdingDistanceArchive
from jmetal.util.observer import ProgressBarObserver
from jmetal.util.solutions import print_function_values_to_file, print_variables_to_file
from jmetal.util.termination_criterion import StoppingByEvaluations
if __name__ == '__main__':
problem = DTLZ1(number_of_objectives=5)
max_evaluations = 25000
algorithm = SMPSO(
problem=problem,
swarm_size=100,
mutation=PolynomialMutation(probability=1.0 / problem.number_of_variables, distribution_index=20),
leaders=CrowdingDistanceArchive(100),
termination_criterion=StoppingByEvaluations(max=max_evaluations)
)
algorithm.observable.register(observer=ProgressBarObserver(max=max_evaluations))
algorithm.run()
front = algorithm.get_result()
label = algorithm.get_name() + "." + problem.get_name()
# Plot front
plot_front = Plot(plot_title='Pareto front approximation', reference_front=problem.reference_front,
axis_labels=problem.obj_labels)
plot_front.plot(front, label=algorithm.label, filename=algorithm.get_name())
def f2(x: [float]):
return (x[0] - 2) * (x[0] - 2)
problem = OnTheFlyFloatProblem()
problem \
.set_name('Schaffer') \
.add_variable(-10000.0, 10000.0) \
.add_function(f1) \
.add_function(f2)
max_evaluations = 25000
algorithm = SMPSO(problem=problem,
swarm_size=100,
mutation=PolynomialMutation(probability=1.0 /
problem.number_of_variables,
distribution_index=20),
leaders=CrowdingDistanceArchive(100),
termination_criterion=StoppingByEvaluations(
max_evaluations=max_evaluations))
algorithm.run()
front = algorithm.get_result()
# Save results to file
print_function_values_to_file(front, 'FUN.' + algorithm.label)
print_variables_to_file(front, 'VAR.' + algorithm.label)
print(f'Algorithm: ${algorithm.get_name()}')
print(f'Problem: ${problem.get_name()}')
print(f'Computing time: ${algorithm.total_computing_time}')
def configurar_algoritmo(self,
hora_show: datetime,
hora_minima: datetime = datetime.time(0, 0),
algoritmo: str = 'MOGA',
mutation_probability: float = 0.25,
max_evaluations: int = 500,
population: int = 100):
hora_minima, hora_show = self.restricciones_hora(
hora_minima, hora_show)
if (hora_minima == 0):
hora_minima = hora_show - 180
restricciones_baja = list([hora_minima, -100, -100, 0, 0])
restricciones_alta = list([hora_show, 0, 0, 100, 100])
self.problem = HVAC(lower_bound=restricciones_baja,
upper_bound=restricciones_alta,
number_of_configurations=3)
print("algoritmo: ", algoritmo)
if algoritmo == 'MOGA':
algorithm = MOGA(problem=self.problem,
population_size=population,
offspring_population_size=population,
mutation=IntegerPolynomialMutationD(
probability=mutation_probability,
distribution_index=20),
crossover=SBXCrossoverD(
probability=mutation_probability,
distribution_index=20),
termination_criterion=StoppingByEvaluations(
max=max_evaluations),
dominance_comparator=DominanceComparator())
elif algoritmo == "NSGAII":
algorithm = NSGAII(problem=self.problem,
population_size=population,
offspring_population_size=population,
mutation=IntegerPolynomialMutationD(
probability=mutation_probability,
distribution_index=20),
crossover=SBXCrossoverD(
probability=mutation_probability,
distribution_index=20),
termination_criterion=StoppingByEvaluations(
max=max_evaluations),
dominance_comparator=DominanceComparator())
elif algoritmo == 'OMOPSO':
algorithm = OMOPSO(problem=self.problem,
swarm_size=population,
epsilon=0.0075,
uniform_mutation=UniformMutation(
probability=mutation_probability,
perturbation=0.5),
non_uniform_mutation=NonUniformMutation(
probability=mutation_probability,
perturbation=0.5),
leaders=CrowdingDistanceArchive(100),
termination_criterion=StoppingByEvaluations(
max=max_evaluations))
elif algoritmo == 'SMPSO':
algorithm = SMPSO(problem=self.problem,
swarm_size=population,
mutation=IntegerPolynomialMutation(
probability=mutation_probability,
distribution_index=20),
leaders=CrowdingDistanceArchive(100),
termination_criterion=StoppingByEvaluations(
max=max_evaluations))
elif algoritmo == 'SPEA2':
algorithm = SPEA2(problem=self.problem,
population_size=population,
offspring_population_size=population,
mutation=IntegerPolynomialMutationD(
probability=mutation_probability,
distribution_index=20),
crossover=SBXCrossoverD(
probability=mutation_probability,
distribution_index=20),
termination_criterion=StoppingByEvaluations(
max=max_evaluations),
dominance_comparator=DominanceComparator())
else:
print("Algoritmo no válido. Creando MOGA por defecto...")
algorithm = MOGA(problem=self.problem,
population_size=population,
offspring_population_size=population,
mutation=IntegerPolynomialMutationD(
probability=mutation_probability,
distribution_index=20),
crossover=SBXCrossoverD(
probability=mutation_probability,
distribution_index=20),
termination_criterion=StoppingByEvaluations(
max=max_evaluations),
dominance_comparator=DominanceComparator())
self.algoritmo = algorithm
self.algoritmo.observable.register(observer=ProgressBarObserver(
max=max_evaluations))
return algorithm
from jmetal.util.solution import (
print_function_values_to_file,
print_variables_to_file,
read_solutions,
)
from jmetal.util.termination_criterion import StoppingByEvaluations
if __name__ == "__main__":
problem = ZDT1Modified()
problem.reference_front = read_solutions(filename="resources/reference_front/ZDT1.pf")
max_evaluations = 100
algorithm = SMPSO(
problem=problem,
swarm_size=10,
mutation=PolynomialMutation(probability=1.0 / problem.number_of_variables, distribution_index=20),
leaders=CrowdingDistanceArchive(10),
termination_criterion=StoppingByEvaluations(max_evaluations=max_evaluations),
swarm_evaluator=SparkEvaluator(),
)
algorithm.run()
front = algorithm.get_result()
# Save results to file
print_function_values_to_file(front, "FUN." + algorithm.get_name() + "." + problem.get_name())
print_variables_to_file(front, "VAR." + algorithm.get_name() + "." + problem.get_name())
print(f"Algorithm: {algorithm.get_name()}")
print(f"Problem: {problem.get_name()}")
print(f"Computing time: {algorithm.total_computing_time}")
from jmetal.operator import PolynomialMutation
from jmetal.problem import DTLZ1
from jmetal.util.archive import CrowdingDistanceArchive
from jmetal.util.observer import ProgressBarObserver
from jmetal.util.solution_list import print_function_values_to_file, print_variables_to_file, read_solutions
from jmetal.util.termination_criterion import StoppingByEvaluations
from jmetal.util.visualization import InteractivePlot, Plot
if __name__ == '__main__':
problem = DTLZ1(number_of_objectives=5)
#problem.reference_front = read_solutions(filename='../../resources/reference_front/DTLZ1.3D.pf')
algorithm = SMPSO(problem=problem,
swarm_size=100,
mutation=PolynomialMutation(probability=1.0 /
problem.number_of_variables,
distribution_index=20),
leaders=CrowdingDistanceArchive(100),
termination_criterion=StoppingByEvaluations(max=25000))
algorithm.observable.register(observer=ProgressBarObserver(max=25000))
algorithm.run()
front = algorithm.get_result()
# Plot front
label = '{}-{} with {} objectives'.format(algorithm.get_name(),
problem.get_name(),
problem.number_of_objectives)
plot_front = Plot(plot_title='Pareto front approximation',