---
tag: 08R2V9GZF7
kind: concept
name: Cesàro mean
msc: [40G05]
sources:
  - url: https://en.wikipedia.org/wiki/Cesàro_summation
    locator: lead section
---

## Summary

The Cesàro means of a sequence are the averages of its first $n$ terms. They are the base of Cesàro summation, a way to give values to some divergent series. The node [[Cesàro mean|0P0DJHBGBB]] gives the precise definition.