sudo apt install libeigen3-dev
sudo apt install libeigen3-dev, sudo apt install libffi-dev, apt install libeigen3-dev, sudo apt install libglew-dev, sudo apt install libelf-dev, sudo apt install libboost-dev, sudo apt install libgtk-3-dev, sudo apt install librt-dev, sudo apt-get install libflann-dev, sudo apt install libasound2-dev, sudo apt install libsodium-dev, sudo apt-get install libesd0-dev, sudo apt-get install libgtest-dev, sudo apt-get install libicu-dev, sudo apt-get install libaio-dev, sudo apt-get install libgazebo11-dev, sudo apt-get install libblas-dev, sudo apt-get install libgazebo9-dev, sudo apt-get install libgsl-dev
sudo apt install libeigen3-dev. There are any references about sudo apt install libeigen3-dev in here. you can look below.
sudo apt install libeigen3-dev
sudo apt install libffi-dev
apt install libeigen3-dev
sudo apt install libglew-dev
sudo apt install libelf-dev
sudo apt install libboost-dev
sudo apt install libgtk-3-dev
sudo apt install librt-dev
sudo apt-get install libflann-dev
sudo apt install libasound2-dev
sudo apt install libsodium-dev
sudo apt-get install libesd0-dev
sudo apt-get install libgtest-dev
sudo apt-get install libicu-dev
sudo apt-get install libaio-dev
sudo apt-get install libgazebo11-dev
sudo apt-get install libblas-dev
sudo apt-get install libgazebo9-dev
sudo apt-get install libgsl-dev
sudo apt install libeigen3-dev, sudo apt install libffi-dev, apt install libeigen3-dev, sudo apt install libglew-dev, sudo apt install libelf-dev, sudo apt install libboost-dev, sudo apt install libgtk-3-dev, sudo apt install librt-dev, sudo apt-get install libflann-dev, sudo apt install libasound2-dev, sudo apt install libsodium-dev, sudo apt-get install libesd0-dev, sudo apt-get install libgtest-dev, sudo apt-get install libicu-dev, sudo apt-get install libaio-dev, sudo apt-get install libgazebo11-dev, sudo apt-get install libblas-dev, sudo apt-get install libgazebo9-dev, sudo apt-get install libgsl-dev
