10 Year. Morningstar rated the Global Technology Fund among 196, 196, 186 and 144 Technology funds for the overall rating and the 3-, 5-, and 10-year periods (as applicable) ending 02/28/2017, respectively.
Geometrically an eigenvector, corresponding to a real nonzero eigenvalue, points in a direction that is stretched by the transformation and the eigenvalue is the factor by which it is stretched. If the eigenvalue is negative, the direction is reversed.
The determinant of a triangular matrix is the product of the diagonal entries. Eigenvalues of triangular matrix are the entries on main diagonal. If A is an m x m triangular matrix, then its eigenvalues are the entries on its main diagonal.