---
tag: 09VMDSRXWJ
kind: concept
name: Singular value
msc: [15A18]
sources:
  - url: https://en.wikipedia.org/wiki/Singular_value
    locator: lead section
same_as:
  wikidata: Q4166054
  wikipedia: Singular value
---

## Summary

The singular values of a matrix $A$ are the square roots of the eigenvalues of $A^* A$.