close all; clc; clear; 

% Problem EPage 46
% 
n = 20;
E = c_2_p_10_mk_E(n);
approx_cond = cond(E);
exact_cond = 4* ( n^2 / pi^2 );
disp( sprintf('n= %5d approx cond= %10.6f true cond= %10.6f',n, approx_cond, exact_cond) );

n = 50;
E = c_2_p_10_mk_E(n);
approx_cond = cond(E);
exact_cond = 4* ( n^2 / pi^2 );
disp( sprintf('n= %5d approx cond= %10.6f true cond= %10.6f',n, approx_cond, exact_cond) );