Machine Learning, Deep Learning, Backpropagation, Artificial Intelligence, Differential Calculus.
the output(A1) with respect to Z1: Figure 9.Partial Derivative of A1 with respect to Z1 As you can see the derivative of A1 w.r.t to Z1 is just the derivation of the activation function used. Now,let’s calculate the derivative of Z1 with respect to W1(weights): Figure 10.Partial Derivative of Z1