function []=prob_9_2_11()
%
% Written by:
% -- 
% John L. Weatherwax                2006-12-17
% 
% email: wax@alum.mit.edu
% 
% Please send comments and especially bug reports to the
% above email address.
% 
%-----
  
clc; close all; 

format long; 

A = [ 1 1; 1 1.0001 ]; 
e = sort(eig(A))

disp( 'An estimate of the condition number is given by' ); 
e(2)/e(1)