1 #include <iostream> 2 #include <Eigen/Dense> 3 4 using namespace std; 5 using namespace Eigen; 6 main()7 int main() 8 { 9 Matrix3f A; 10 Vector3f b; 11 A << 1,2,3, 4,5,6, 7,8,10; 12 b << 3, 3, 4; 13 cout << "Here is the matrix A:\n" << A << endl; 14 cout << "Here is the vector b:\n" << b << endl; 15 Vector3f x = A.colPivHouseholderQr().solve(b); 16 cout << "The solution is:\n" << x << endl; 17 } 18