Nonlinear backpropagation: doing backpropagation without derivatives of the activation function

John A. Hertz, Anders Krogh, Benny Lautrup, Torsten Lehmann. Nonlinear backpropagation: doing backpropagation without derivatives of the activation function. IEEE Transactions on Neural Networks, 8(6):1321-1327, 1997. [doi]

Abstract

Abstract is missing.