1.dependencies
sudo apt-get install libopenblas-dev
sudo apt-get install liblapack-dev
sudo apt-get install libarpack2-dev
sudo apt-get install libsuperlu-dev
2.download Armadillo
https://gitlab.com/conradsnicta/armadillo-code
3.combile and install
cmake .
make
sudo make install
然后就编译一下他的example
g++ example1.cpp -o example1 -O2 -larmadillo
