§20.6: backpropagation computes the gradient: ∂(½‖o_T − y‖²)/∂w_{(v_{t,j},v_{t+1,i})} = δ_{t+1,i} σ'(a_{t+1,i}) o_{t,j} for differentiable σ

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§20.6: backpropagation computes the gradient: ∂(½‖o_T − y‖²)/∂w_{(v_{t,j},v_{t+1,i})} = δ_{t+1,i} σ'(a_{t+1,i}) o_{t,j} for differentiable σ · Prove2Me