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							18 lines
						
					
					
						
							401 B
						
					
					
				| #include <Eigen/Core> | |
| #include <Eigen/LU> | |
| #include <iostream> | |
|  | |
| using namespace std; | |
| using namespace Eigen; | |
| 
 | |
| int main() | |
| { | |
|    Matrix3f A; | |
|    Vector3f b; | |
|    A << 1,2,3,  4,5,6,  7,8,10; | |
|    b << 3, 3, 4; | |
|    cout << "Here is the matrix A:" << endl << A << endl; | |
|    cout << "Here is the vector b:" << endl << b << endl; | |
|    Vector3f x = A.lu().solve(b); | |
|    cout << "The solution is:" << endl << x << endl; | |
| }
 |