% Linear Algebra: Theory and Applications
% Ward Cheney & David Kincaid
% JBPub.com (c) 2008 
% File: exp835.m
% Example 8.3.5

A=[2 1 -1;-2 4 1;1 -3 20]
eig(A)
hold on
gnew(A)
B=A'
gnew(B)
hold off