MOCE
Module: opytimizer.optimizers.multi_objective.evolutionary.moce
Multi-Objective Chaotic Evolution (MOCE).
Uses chaotic ergodicity combined with non-dominated sorting and crowding distance selection (NSGA-II style) for multi-objective optimization.
References: Y. Pei, "Chaotic Evolution Algorithm with Elite Strategy in Single-objective and Multi-objective Optimization," 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC), Toronto, Canada, 2020, pp. 579-584.
Constructor
MOCE(params: Optional[Dict[str, Any]] = None, DR: float = 0.7, CR: float = 0.7, chaotic_system: Literal['logistic', 'gauss', 'tent', 'henon'] = 'logistic')
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
params | Optional[Dict[str, Any]] | None | — |
DR | float | 0.7 | — |
CR | float | 0.7 | — |
chaotic_system | Literal['logistic', 'gauss', 'tent', 'henon'] | 'logistic' | — |
Methods
compile
compile(self, space: opytimizer.core.space._MultiObjectiveSpace)
Compiles additional information that is used by this optimizer.
This method is called before the optimization procedure and makes sure that the additional variable is available as a property.
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
space | opytimizer.core.space._MultiObjectiveSpace | — |
evaluate
evaluate(self, space: opytimizer.core.space._MultiObjectiveSpace, function: opytimizer.core.function.Function)
Evaluates the search space according to the objective function.
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
space | opytimizer.core.space._MultiObjectiveSpace | A Space object that will be evaluated. | |
function | opytimizer.core.function.Function | A Function object serving as an objective function. |
update
update(self, space: opytimizer.core.space._MultiObjectiveSpace, function: opytimizer.core.function.Function)
Updates the agents' position array.
As each child has a different procedure of update, you will need to implement it directly on its class.
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
space | opytimizer.core.space._MultiObjectiveSpace | — | |
function | opytimizer.core.function.Function | — |