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Python
2022-02-26 08:55:02
how backpropagation works
class Network(object): ... def update_mini_batch(self, mini_batch, eta): """Update the network's weights and biases by applying gradient descent using backpropagation to a single mini batch. The "mini_batch&...
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Python
2022-01-23 07:05:45
sgd code python
1import numpy as np 2 3def gradient_descent( 4 gradient, x, y, start, learn_rate=0.1, n_iter=50, tolerance=1e-06, 5 dtype="float64" 6): 7 # Checking if the gradient is callable 8 if not callable(gradient): 9 raise Typ...
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