zmVault/sigmoid-functions.md

id, aliases, tags, title

id	aliases	tags	title
		authorship/original destiny/permanent status/incomplete topic/math type/encyclopedia	Sigmoid Functions

Sigmoid Functions

!sigmoid-function-example.excalidraw

f'(x) is a sigmoid function.

A sigmoid function compresses a function with infinite range to (0,1)

This is preferable to a floor-ceiling piece-wise function since it remains differentiable.

Formula

\sigma(x) = \frac{1}{1 + e^{-x}}