Abstract: Sigmoid and Hyperbolic Tangent are widely used as activation functions in artificial neural networks. Exponential term and division are basic building blocks of these functions. This paper ...

THROUGHOUT the books treating of hyperbolic functions, although elaborate series for their determination are given, the possibility of calculating them directly from their definitions, by means of ...

A hyperbolic model for the diffusion of proteins through the blood-cerebrospinal fluid (CSF) barrier revolutionized clinical neurochemistry thirty years ago. The regression curves were informally ...