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sigmoid function

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Also known as S curve

mathematical function having a characteristic "S"-shaped curve or sigmoid curve

Wikidata facts

Subclass of
function
Followed by
rectifier
Image
Gjl-t(x).svg
Show 4 more facts
Commons category
Sigmoid functions
maintained by WikiProject
WikiProject Mathematics
definition domain
set of real numbers
image of function
interval
Sources (2)

via Wikidata · CC0

~16 min read

Encyclopedic overview

The logistic curve Plot of the error function

A sigmoid function is any mathematical function whose graph has a characteristic S-shaped or sigmoid curve.

Excerpted from Wikipedia’s “sigmoid function” article, available under the CC BY-SA 4.0 licence.