Could someone help here - I want to understand how we derive the dZ1 in a one hidden layer net. the formula is dZ1 = np.dot(W2.T,dZ2)*g1_prime(Z1) If you could me step by step derivation, it would be very helpful! Many thanks Francis

How we get dZ1 formula in backward propagation in a one hidden layer net

saifkhanengr October 10, 2023, 2:52pm 2

There are several threads. See these: Thread one, two, three, four.

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