Install libeigen3-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libeigen3-doc
Description:
eigen3 API documentation
Eigen 3 is a lightweight C++ template library for vector and matrix math, a.k.a. linear algebra. . This package provides the complete eigen3 API documentation in HTML format.
Homepage: http://eigen.tuxfamily.org
Version: 3.3.4-4
Section: universe/doc