---
tag: 06MG208MGR
kind: concept
name: Inflection point
msc: [26A51]
sources:
  - url: https://en.wikipedia.org/wiki/Inflection_point
    locator: lead section
same_as:
  wikidata: Q212794
  wikipedia: Inflection point
---

## Summary

An inflection point of a function is a point where the function changes from convex to concave, or from concave to convex. For twice differentiable functions, the second derivative vanishes there. The node [[inflection point|0Y0WS5BCJ7]] gives the precise definition.