(*						      *)
(* Numerical Mathematics and Computing, Fifth Edition *)
(* Ward Cheney & David Kincaid		              *)
(* Brooks/Cole Publ. Co.			      *)
(* (c) 2003                                           *)
(* No warranties implied or expressed.	              *)
(* File: eigen          			      *)

(*Eigenvalues & Eigenvectors *)
m = {{1, 3, -7}, {-3, 4, 1}, {2, -5, 1}}
Eigenvalues[m]
(val, vec) = Eigensystem[m]