eigen

Install command:
brew install eigen

Also known as: eigen@5

C++ template library for linear algebra

https://gitlab.com/libeigen/eigen

License: MPL-2.0 AND Apache-2.0 AND BSD-3-Clause AND Minpack

Development: Pull requests

Formula JSON API: /api/formula/eigen.json

Formula code: eigen.rb on GitHub

Bottle (binary package) installation support provided.

Current versions:

stable ✅ 5.0.1
head ⚡️ HEAD

Other versions:

eigen@3 3.4.1 C++ template library for linear algebra

Depends on when building from source:

cmake 4.4.5 Cross-platform make

GitHub Packages downloads:

Last 30 days176,915
Downloads6,749,668
Analytics install events (30 days)5,810
Downloads / install events (30 days)30.5×

Source: GitHub Packages, fetched 2026-11-12T00:52:54Z. Analytics dates: 2026-10-13 to 2026-11-12. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.

Analytics:

30 days90 days365 days
Installs5,79615,151152,972
Installs (--HEAD)1460218
Installs on Request6181,94516,718
Installs on Request (--HEAD)91640
Build Errors0