cart-elc

Source code for CART-ELC
git clone git://git.laack.co/cart-elc.git
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TutorialLinAlgSelfAdjointEigenSolver.cpp (534B)

      1 #include <iostream>
      2 #include <Eigen/Dense>
      3 
      4 using namespace std;
      5 using namespace Eigen;
      6 
      7 int main()
      8 {
      9    Matrix2f A;
     10    A << 1, 2, 2, 3;
     11    cout << "Here is the matrix A:\n" << A << endl;
     12    SelfAdjointEigenSolver<Matrix2f> eigensolver(A);
     13    if (eigensolver.info() != Success) abort();
     14    cout << "The eigenvalues of A are:\n" << eigensolver.eigenvalues() << endl;
     15    cout << "Here's a matrix whose columns are eigenvectors of A \n"
     16         << "corresponding to these eigenvalues:\n"
     17         << eigensolver.eigenvectors() << endl;
     18 }