---
tag: 066E7PJCYE
kind: concept
name: Pole
aliases: [pole-of-a-function]
msc: [30D30]
sources:
  - url: https://en.wikipedia.org/wiki/Zeros_and_poles
    locator: lead section
---

## Summary

A pole of a function is an isolated singularity where the modulus of the function tends to infinity, see the [[definition|0WPQYW8MTE]].
It is the simplest kind of singularity that is not removable.