| #include <iostream> | |
| #include <Eigen/Dense> | |
| using namespace std; | |
| using namespace Eigen; | |
| int main() | |
| { | |
| Matrix3f A; | |
| A << 1, 2, 1, | |
| 2, 1, 0, | |
| -1, 1, 2; | |
| cout << "Here is the matrix A:\n" << A << endl; | |
| cout << "The determinant of A is " << A.determinant() << endl; | |
| cout << "The inverse of A is:\n" << A.inverse() << endl; | |
| } |