The International Journal of Fuzzy Logic and Intelligent Systems

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Fig. 12.

Surrogate gradient functions which limai→0+hi(u) = dg(u)/du where g(u) is an activation function [42].

International Journal of Fuzzy Logic and Intelligent Systems 2021;21:317~337 https://doi.org/10.5391/IJFIS.2021.21.4.317
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