1 Matrix3f m = Matrix3f::Random(); 2 Matrix3f y = Matrix3f::Random(); 3 cout << "Here is the matrix m:" << endl << m << endl; 4 cout << "Here is the matrix y:" << endl << y << endl; 5 Matrix3f x; 6 x = m.colPivHouseholderQr().solve(y); 7 assert(y.isApprox(m*x)); 8 cout << "Here is a solution x to the equation mx=y:" << endl << x << endl; 9