Neural N etwork. Contents. Diagram of a Neuron The Simple Perceptron Multilayer Neural Network What is Hidden Layer? Why do we Need a Hidden Layer? How do Multilayer Neural Networks Learn?. Weight. Output Signals. Input signals. w 1. x 1. w 2. Neuron. Y. x 2. w n. x 3.
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x3Diagram of a Neuron
ThresholdExample of NN: The Perceptron
(-2.4/Fi, +2.4/Fi), Where Fi is the total number of inputs of neuron i in the network.
(A) Calculate the actual outputs of the neurons in the hidden layer
(B) Calculate the actual outputs of the neurons in the output layer
(A) Calculate the error gradient for the neurons in the output layer.
(B) Calculate the error gradient for the neurons in the hidden layer.