1*bf2c3715SXin Li Matrix4i m = Matrix4i::Random(); 2*bf2c3715SXin Li cout << "Here is the matrix m:" << endl << m << endl; 3*bf2c3715SXin Li cout << "Here are the coefficients on the 1st super-diagonal and 2nd sub-diagonal of m:" << endl 4*bf2c3715SXin Li << m.diagonal(1).transpose() << endl 5*bf2c3715SXin Li << m.diagonal(-2).transpose() << endl; 6