---
tag: 0V33BNKZ9S
kind: concept
name: Smooth function
msc: ["26E10"]
sources:
  - url: https://en.wikipedia.org/wiki/Smoothness
    locator: lead section
same_as:
  wikidata: Q868473
  wikipedia: Smoothness
---

## Summary

A smooth function is a function with continuous derivatives of all orders. Smoothness is the top of the scale of differentiability classes $C^k$. The node [[smooth function|0BE3QDH73A]] gives the precise definition.