def mate(self, pairs):
""" Mates """
families = [] # Build us some real estate
for mother, father in pairs:
i = random.randint(0, self.params["NumGenes"])
# Create new children
child1 = Chromosome(''.join(mother.genes[:i] + father.genes[i:]))
child1.cost = self.compute_cost(child1)
child2 = Chromosome(''.join(mother.genes[i:] + father.genes[:i]))
child2.cost = self.compute_cost(child2)
# Add a happy new family
families += [child1, child2, mother, father]
self.population = families # Create new families
def init_pop(self):
for i in range(self.params["NumChromesInit"]):
# Create a new random gene
random.shuffle(self.genes)
chrome = Chromosome(self.genes)
chrome.cost = self.compute_cost(chrome)
# And add to pop
self.population.append(chrome)
def init_pop(self):
for i in range(self.params["NumChromesInit"]):
# Create a new random gene
chars = self.random_letters(self.params["NumGenes"], False)
chrome = Chromosome(''.join(chars))
chrome.cost = self.compute_cost(chrome)
# And add to pop
self.population.append(chrome)