% MatLab script for part 3 of the question for the CSC 336 tutorial
% on 29 Sept. 2007.
%
% This script computes exp2(x) for x = -25:25.  For each value of x,
% it calculates and prints x, exp(x), exp2(x) and (exp2(x) - exp(x)) / exp(x).
%
%					K.R.J.    24 Sept. 2007

values = zeros(51,4);

x = -26;
for k = 1:51,
    x = x + 1;
    values(k,1) = x;
    values(k,2) = exp(x);
    values(k,3) = exp2(x);
    values(k,4) = (exp2(x) - exp(x)) / exp(x);
end

format short e
values