train_controller method

The train_controller method is called after we build the Controller. The first step is thus to initialize all the variables and the first state:

def train_controller(self):    with self.graph.as_default():    step = 0    total_rewards = 0    child_network_architecture = np.array([[10.0, 128.0, 1.0, 1.0] *                                           controller_params['max_layers']], dtype=np.float32)

The first child_network_architecture is a list that resembles an architecture configuration and will be the argument to NASCell, which would output the first child DNA.

The training procedure consists of two for loops: one for the number of epochs for the Controller, and another for each child network the Controller generates ...

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