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Step-by-step – Eigen C++ Installation in Ubuntu 20.04 Guide

September 25, 2020 | By the+gnu+linux+evangelist.

Installing

  1. 2. Downloading Eigen for Ubuntu

    Download Eigen for Ubuntu GNU/Linux

    Get Eigen .zip for Ubuntu

    If possible Select directly “Open with Archive Manager”!

  2. 3. Extracting Eigen Archive

    Then Extract Eigen Zip into /tmp Directory
    If it does Not Open automatically then Double-Click on File Manager:

    Extracting
    Or from Command Line:

    unzip -d /tmp ~/Downloads/Eigen*.zip

    You may need to Setup Unzip with:

    sudo apt install unzip
  3. 4. Installing Eigen

    First, Compile Source:

    cd /tmp/eigen*

    So Make a Build Directory:

    mkdir build

    Access the Target:

    cd build

    And Build:

    sudo apt install cmake
    cmake ..

    Now to Make the Stuff:

    make

    Finally, to Setup Eigen:

    sudo make install

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