def __init__(self, mutator, crossover, repairer=None):
"""Initialize the selector.
Arguments:
o mutator -- A Mutation object which will perform mutation
on an individual.
o crossover -- A Crossover object which will take two
individuals and produce two new individuals which may
have had crossover occur.
o repairer -- A class which can do repair on rearranged genomes
to eliminate infeasible individuals. If set at None, so repair
will be done.
"""
AbstractSelection.__init__(self, mutator, crossover, repairer)
def __init__(self, mutator, crossover, repairer = None):
"""Initialize the selector.
Arguments:
o mutator -- A Mutation object which will perform mutation
on an individual.
o crossover -- A Crossover object which will take two
individuals and produce two new individuals which may
have had crossover occur.
o repairer -- A class which can do repair on rearranged genomes
to eliminate infeasible individuals. If set at None, so repair
will be done.
"""
AbstractSelection.__init__(self, mutator, crossover, repairer)
def __init__(self, mutator, crossover, repairer, num_competitors=2):
"""Initialize the tournament selector.
Arguments:
o num_competitors-- The number of individiuals that should be
involved in a selection round. By default we just have two
individuals (head to head!).
See AbstractSelection for a description of the arguments to
the initializer.
"""
AbstractSelection.__init__(self, mutator, crossover, repairer)
if num_competitors < 2:
raise ValueError("Must have at least 2 competitors!")
self._num_competitors = num_competitors
def __init__(self, mutator, crossover, repairer, num_competitors = 2):
"""Initialize the tournament selector.
Arguments:
o num_competitors-- The number of individiuals that should be
involved in a selection round. By default we just have two
individuals (head to head!).
See AbstractSelection for a description of the arguments to
the initializer.
"""
AbstractSelection.__init__(self, mutator, crossover, repairer)
if num_competitors < 2:
raise ValueError("Must have at least 2 competitors!")
self._num_competitors = num_competitors
