Calculus, Backpropagation, Neural Networks, Mathematics, AI.
up we can compute the derivatives of z3 with respect with a2. Here, we could “branch off” and calculate the partial derivatives of z3 w.r.t θ3 and b3, but since we’re calculating θ2, we skip these and continue down the main “derivative path”. So, instead, we continue backpropagating through the