1*bf2c3715SXin Li typedef Matrix<float,3,3> Matrix3x3; 2*bf2c3715SXin Li Matrix3x3 m = Matrix3x3::Random(); 3*bf2c3715SXin Li Matrix3f y = Matrix3f::Random(); 4*bf2c3715SXin Li cout << "Here is the matrix m:" << endl << m << endl; 5*bf2c3715SXin Li cout << "Here is the matrix y:" << endl << y << endl; 6*bf2c3715SXin Li Matrix3f x; 7*bf2c3715SXin Li x = m.householderQr().solve(y); 8*bf2c3715SXin Li assert(y.isApprox(m*x)); 9*bf2c3715SXin Li cout << "Here is a solution x to the equation mx=y:" << endl << x << endl; 10