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vamc-stash/nn-step5.py

Last active May 15, 2020 10:13
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update parameters
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nn-step5.py
def update_parameters(parameters, grads):
L = len(parameters) // 2
for l in range(L):
parameters['W'+str(l+1)] = parameters['W'+str(l+1)] - epsilon * grads['dW'+str(l+1)] # W = W - lr*(dE/dW)
parameters['b'+str(l+1)] = parameters['b'+str(l+1)] - epsilon * grads['db'+str(l+1)] # b = b - lr*(dE/db)
return parameters
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