Skip to main content

PSO

Module: opytimizer.optimizers.single_objective.swarm.pso

A PSO class, inherited from Optimizer.

This is the designed class to define PSO-related variables and methods.

References: J. Kennedy, R. C. Eberhart and Y. Shi. Swarm intelligence. Artificial Intelligence (2001).

Constructor​

PSO(params: Optional[Dict[str, Any]] = None, **kwargs) -> None

Parameters​

ParameterTypeDefaultDescription
paramsOptional[Dict[str, Any]]None—
kwargs—

Methods​

compile​

compile(self, space: opytimizer.core.space._SingleObjectiveSpace) -> None

Compiles additional information that is used by this optimizer.

Parameters​

ParameterTypeDefaultDescription
spaceopytimizer.core.space._SingleObjectiveSpaceA Space object containing meta-information.

evaluate​

evaluate(self, space: opytimizer.core.space._SingleObjectiveSpace, function: opytimizer.core.function.Function) -> None

Evaluates the search space according to the objective function.

Parameters​

ParameterTypeDefaultDescription
spaceopytimizer.core.space._SingleObjectiveSpaceA Space object that will be evaluated.
functionopytimizer.core.function.FunctionA Function object that will be used as the objective function.

update​

update(self, space: opytimizer.core.space._SingleObjectiveSpace) -> None

Wraps Particle Swarm Optimization over all agents and variables.

Parameters​

ParameterTypeDefaultDescription
spaceopytimizer.core.space._SingleObjectiveSpaceSpace containing agents and update-related information.