| Jitse Niesen | afed0ef | 2010-05-01 17:52:16 +0100 | [diff] [blame] | 1 | MatrixXd X = MatrixXd::Random(5,5); |
| 2 | MatrixXd A = X + X.transpose(); |
| 3 | cout << "Here is a random symmetric 5x5 matrix:" << endl << A << endl << endl; |
| 4 | |
| 5 | VectorXd diag(5); |
| 6 | VectorXd subdiag(4); |
| 7 | Tridiagonalization<MatrixXd>::decomposeInPlace(A, diag, subdiag); |
| 8 | cout << "The orthogonal matrix Q is:" << endl << A << endl; |
| 9 | cout << "The diagonal of the tridiagonal matrix T is:" << endl << diag << endl; |
| 10 | cout << "The subdiagonal of the tridiagonal matrix T is:" << endl << subdiag << endl; |