Training—Learning Through Gradient Descent
Learn how gradient descent is developed as an advanced learning algorithm that trains a multilayer perceptron model.
Training a neural network
The central question of this lesson is: When we go from a single neuron (perceptron) to a multilayer neural network, would the training algorithm that we used for the perceptron also need to change?
Let’s take stock of the situation
It’s always a good idea to take a step back and take stock of the things we know. Things that we know will still not change when we complicate the model from a perceptron to a neural network:
A neural network still has the same two inputs: acting (0-10) and direction (0-10).
It still has one output (Good movie = 1, Bad movie = 0).
Each neuron in the neural network is still performing the same operation as that performed by the single neuron in a perceptron:
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