eigen@3 for Mac
C++ template library for linear algebra
brew install eigen@3. It is distributed under the MPL-2.0 AND Apache-2.0 AND BSD-3-Clause AND Minpack AND LGPL-2.1-only licence. Homebrew recorded 187 installs in the last 30 days. What is eigen@3?
eigen@3 is a macOS command-line tool: C++ template library for linear algebra.
It is distributed as a Homebrew formula, which builds or unpacks binaries onto your PATH. This project is open source; the code is at https://gitlab.com/libeigen/eigen.
How to install eigen@3
- Open Terminal (press ⌘ + Space and type “Terminal”).
- If Homebrew is not installed, run the install command below first.
- Run
brew install eigen@3.
Install Homebrew first if needed:
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Frequently asked questions
How do I install eigen@3 on a Mac?
Run brew install eigen@3 in Terminal. This requires Homebrew; install it first with the command below if needed.
Is eigen@3 open source?
Yes — Homebrew distributes it under the MPL-2.0 AND Apache-2.0 AND BSD-3-Clause AND Minpack AND LGPL-2.1-only licence.
Does eigen@3 run on Apple silicon?
Homebrew provides this formula for macOS. If upstream does not publish an Apple silicon build, Rosetta 2 can run the Intel binary.
How popular is eigen@3?
Homebrew analytics recorded 187 installs in the last 30 days, ranking it #2555 in this catalogue.
What version of eigen@3 is current?
The latest packaged version is 3.4.1.
Data comes from the public Homebrew API, last updated 2026-10-27. Install counts only include Homebrew installs and are not total users.