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victor-iyi/neural-net-basics-01-04.py

Created November 12, 2017 20:28
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Neural Network Basics: Part One (Sigmoid function)
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neural-net-basics-01-04.py
def sigmoid(Z, prime=False):
if prime:
return Z * (1 - Z)
return 1 / (1 + np.exp(-Z))
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