---
tag: 0ASDFEQS6P
kind: concept
name: Block matrix
aliases: [partitioned-matrix]
msc: [15A99]
sources:
  - url: https://en.wikipedia.org/wiki/Block_matrix
    locator: Formal definition
same_as:
  wikidata: Q884772
  wikipedia: Block matrix
---

## Summary

A block matrix is a matrix that is divided into smaller matrices, its blocks, by horizontal and vertical lines.