1 MatrixXd A = MatrixXd::Random(6,6); 2 cout << "Here is a random 6x6 matrix, A:" << endl << A << endl << endl; 3 4 RealSchur<MatrixXd> schur(A); 5 cout << "The orthogonal matrix U is:" << endl << schur.matrixU() << endl; 6 cout << "The quasi-triangular matrix T is:" << endl << schur.matrixT() << endl << endl; 7 8 MatrixXd U = schur.matrixU(); 9 MatrixXd T = schur.matrixT(); 10 cout << "U * T * U^T = " << endl << U * T * U.transpose() << endl; 11