T:R2 → R2
T(x, y) = (y, x); (x, y)∈R2
- Eigenvalues of T are
- Corresponding to eigenvalue 1
is an eigenvector
- In general, an eigenvector is
- Corresponding to eigenvalue -1
is an eigenvector.
- In general, an eigenvector is
Visualization
Excersise: Draw a diagram showing images of (1, 1), (1, 2) and (-1, 1) to determine which of these are eigenvectors, by visualization.
Answer: