| Brian Silverman | 72890c2 | 2015-09-19 14:37:37 -0400 | [diff] [blame^] | 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 | } |