ground/gcs/src/libs/eigen/doc/examples/TutorialLinAlgInverseDeterminant.cpp

   1 #include <iostream>
   2 #include <Eigen/Dense>
   3
   4 using namespace std;
   5 using namespace Eigen;
   6
   7 int main()
   8 {
   9    Matrix3f A;
  10    A << 1, 2, 1,
  11         2, 1, 0,
  12         -1, 1, 2;
  13    cout << "Here is the matrix A:\n" << A << endl;
  14    cout << "The determinant of A is " << A.determinant() << endl;
  15    cout << "The inverse of A is:\n" << A.inverse() << endl;
  16 }