Table 1 Prevalent activation functions characterized by both continuity and differentiability.

From: M-estimation activation functions for high-performance extreme learning machine ensemble classification

\(\:Sigmoid\)

\(\:Tan-Sigmoid\:\text{o}\text{r}\:Hyperbolic\:tangent\)

\(\:Sine\:symmetric\)

\(\:Cosine\)

\(\:Bent\:line\)

Robust Activation Function (RAF)

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