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muhammadgaffar/initialize_velocity.py

Created October 24, 2018 15:46
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initialize_velocity.py
def initialize_velocity(parameters):
L = len(parameters) // 2 # number of layers in the neural networks
v = {}
# Initialize velocity
for l in range(L):
v["dW" + str(l+1)] = np.zeros((parameters["W" + str(l+1)].shape[0],parameters["W" + str(l+1)].shape[1]))
v["db" + str(l+1)] = np.zeros((parameters["b" + str(l+1)].shape[0],parameters["b" + str(l+1)].shape[1]))
return v
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