saealib.MutationUniform

class saealib.MutationUniform(mutation_rate)

Bases: Mutation

Uniform mutation operator.

Parameters:

mutation_rate (float)

mutation_rate

The probability of mutating each dimension.

Type:

float

Methods

__init__	Initialize uniform mutation operator.
mutate	Execute uniform mutation.

Method Details

MutationUniform.__init__(mutation_rate)

Initialize uniform mutation operator.

Parameters:

mutation_rate (float) – The probability of mutating each dimension.

MutationUniform.mutate(p, mutate_range, rng=Generator(PCG64) at 0x7F7A3D17AF80)

Execute uniform mutation.

Parameters:

• p (np.ndarray) – Parent individual. shape = (dim,)

• mutate_range (tuple) – Tuple of (lower_bound, upper_bound) for mutation.

• rng (np.random.Generator, optional) – Random number generator, by default np.random.default_rng()

Returns:

Mutated individual.

Return type:

np.ndarray