Files
FastDeploy/third_party/eigen/doc/examples/TutorialLinAlgExSolveLDLT.cpp
Jack Zhou 355382ad63 Move eigen to third party (#282)
* remove useless statement

* Add eigen to third_party dir

* remove reducdant lines
2022-09-26 19:24:02 +08:00

16 lines
349 B
C++

#include <Eigen/Dense>
#include <iostream>
using namespace std;
using namespace Eigen;
int main() {
Matrix2f A, b;
A << 2, -1, -1, 3;
b << 1, 2, 3, 1;
cout << "Here is the matrix A:\n" << A << endl;
cout << "Here is the right hand side b:\n" << b << endl;
Matrix2f x = A.ldlt().solve(b);
cout << "The solution is:\n" << x << endl;
}