Eigen C++ Installation in Linux Mint 21 – Step-by-step

Installing

2. 2. Downloading Eigen for Linux Mint

   Download Eigen for Mint GNU/Linux

   Get Eigen .zip for Linux Mint

   Eigen for Linux Mint

   If possible Select directly “Open with Archive Manager”!

3. 3. Extracting Eigen Archive

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

   
   Or from Command Line:

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

   You may need to Setup Unzip with:

   sudo apt install unzip

4. 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