Definition:Sigmoid Function

Definition

The real sigmoid function is defined as:

$\map S x = \dfrac 1 {1 + \map \exp {-x} }$

where $\exp$ is the exponential function.

Also see

• Results about the sigmoid function can be found here.

Sources

• Weisstein, Eric W. "Sigmoid Function." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SigmoidFunction.html