Mac installation, configuration Eigen

1. Install Eigen

brew install eigen

Eigen installed /usr/include/eigen3/in.

2. Test

#include<iostream>
using namespace std;
#include<Eigen/Core>
#include<Eigen/Dense>

int main (int argc, char** argv) {
    cout << "Eigen successful." << endl;
    return 0;
}

If not found error execute the following command:

sudo ln -sf eigen3/Eigen/ Eigen
sudo ln -sf eigen3/unsupported/ unsupported