def mate(self, program):
childA = Node.copy(self.root)
childB = Node.copy(program.root)
nodeA = random.choice(Node.traverseInOrder(childA))
nodeB = random.choice(Node.traverseInOrder(childB))
childA = Node.replace(childA, nodeA, nodeB)
childB = Node.replace(childB, nodeB, nodeA)
return [Program(childA), Program(childB)]
def mate(self, program):
childA = Node.copy(self.root)
childB = Node.copy(program.root)
nodeA = random.choice(Node.traverseInOrder(childA))
nodeB = random.choice(Node.traverseInOrder(childB))
childA = Node.replace(childA, nodeA, nodeB)
childB = Node.replace(childB, nodeB, nodeA)
return [Program(childA), Program(childB)]
def mutate(self):
for program in self.programs:
for node in Node.traverseInOrder(program.root):
if random.random() < self.MUTATION_PROBABILITY:
if node.isTerminal():
node.value = self._createTerminalNode(self.problem).value
else:
node.value = self._createOperatorNode(self.problem).value
def mutate(self):
for program in self.programs:
for node in Node.traverseInOrder(program.root):
if random.random() < self.MUTATION_PROBABILITY:
if node.isTerminal():
node.value = self._createTerminalNode(
self.problem).value
else:
node.value = self._createOperatorNode(
self.problem).value
def toString(self):
return "{0} [{1} nodes]".format(Node.toString(self.root),
len(Node.traverseInOrder(self.root)))
def toString(self):
return "{0} [{1} nodes]".format(Node.toString(self.root),
len(Node.traverseInOrder(self.root)))