MultiObjectiveStochasticHillClimberMutation

class pybrops.opt.algo.pymoo_addon.MultiObjectiveStochasticHillClimberMutation(setspace, p_hillclimb, **kwargs)

Bases: Mutation

Perform a memetic subset exchange mutation.

Constructor for SubsetMutation.

Parameters:

kwargs (dict) – Additional keyword arguments used for cooperative inheritance.

Methods

do
get_prob_var
hillclimb	Hillclimb mutation for a single individual.

Attributes

setspace

Set space from which to sample elements.

__call__(problem, elem, *args, to_numpy=False, **kwargs)

Call self as a function.

hillclimb(problem, x, *args, **kwargs)

Hillclimb mutation for a single individual.

Parameters:

• problem (pymoo.core.problem.Problem) – Problem object.

• x (numpy.ndarray) – Chromosome of a single individual.

Returns:

out – Chromosome of a single individual.

Return type:

numpy.ndarray

property setspace: ndarray

Set space from which to sample elements.