GP Crossover
- cx_one_point(ind1, ind2)
Randomly selects a crossover point in each individual and exchanges each subtree with the point as the root between each individual.
- Parameters
ind1 (GPIndividual) – The first individual to mate.
ind2 (GPIndividual) – The second individual to mate.
- Returns
Two mated individuals.
- Return type
- cx_one_point_leaf_biased(ind1, ind2, term_prob)
Randomly selects a crossover point in each individual and exchanges each subtree with the point as the root between each individual.
- Parameters
ind1 (GPIndividual) – The first individual to mate.
ind2 (GPIndividual) – The second individual to mate.
term_prob (float) – The probability of selecting a terminal node as the crossover point.
- Returns
Two mated individuals.
- Return type
- cx_semantic(ind1, ind2, prim_set, min_depth=2, max_depth=6, gen_func=gen_grow)
Perform a semantic crossover on the given individuals.
- Parameters
ind1 (list) – The first individual to be mated.
ind2 (list) – The second individual to be mated.
prim_set (PrimitiveSetTyped) – Primitive set from which primitives are selected.
gen_func (Callable) – The function which generates the random tree.
min_depth (int) – Minimum depth of the random tree.
max_depth (int) – Maximum depth of the random tree.
- Returns
Two mated individuals.
- Return type