def train(self):
if self.net.data_set == None:
print("Please set data sets")
else:
self.trainer = LMSTrainer(self.net, self.learning_rate, self.max_error, self.max_epoch)
# self.trainer.setDefaultLearningRate()
self.trainer.LMSTrain()
[
self.net.layer_to_layer_weight,
self.net.bias_to_layer,
] = self.trainer.returnTrainedLayerToLayerWeightAndBias()
self.net.updateNeuronToNeuronWeightByLayerToLayerWeight()
self.net.updateBiasToNeuronByBiasToLayer()
class TwoLayersNeuralNetwork(object):
def __init__(
self,
input_num,
output_num,
function_name="hardlim",
weight=None,
bias=None,
data_set=None,
learning_rate=0.2,
max_error=0,
max_epoch=-1,
):
self.function_name = function_name
self.input_num = input_num
self.output_num = output_num
self.learning_rate = learning_rate
self.max_error = max_error
self.max_epoch = max_epoch
self.net = NeuronBuilder([self.input_num], [0], [self.output_num])
self.net.connectTwoLayers("in", "out")
self.net.setLayerFunction("out", self.function_name)
if data_set != None:
self.net.setDataSet(data_set)
self.net.connectTwoLayers("in", "out")
if weight != None:
self.net.setLayerToLayerWeight("in", "out", weight)
if bias != None:
self.net.setBiasToLayer("out", bias)
def activate(self, input_list):
self.net.setInputToInputLayer(input_list)
output = self.net.getOutputFromLayer("out")
return output
def setDataSet(self, data_set):
self.net.input_data = None
self.net.output_data = None
self.net.setDataSet(data_set)
def train(self):
if self.net.data_set == None:
print("Please set data sets")
else:
self.trainer = LMSTrainer(self.net, self.learning_rate, self.max_error, self.max_epoch)
# self.trainer.setDefaultLearningRate()
self.trainer.LMSTrain()
[
self.net.layer_to_layer_weight,
self.net.bias_to_layer,
] = self.trainer.returnTrainedLayerToLayerWeightAndBias()
self.net.updateNeuronToNeuronWeightByLayerToLayerWeight()
self.net.updateBiasToNeuronByBiasToLayer()
def plotFigure(self):
self.trainer.plotFigure()
def setLearningRate(self, learning_rate):
self.learning_rate = learning_rate
def setMaxError(self, max_error):
self.max_error = max_error
def setMaxEpoch(self, max_epoch):
self.max_epoch = max_epoch
def returnNeuronBuilder(self):
return self.net
def setNeuronBuilder(self, net):
self.net = net
def showNetworkSimulation(self):
self.net.showNetworkSimulation()