% data for Chapter 5 Supplementary Exercises

ex = input('Exercise number (13,14)? ');

if ex==13 
   A = [.9 1 0;0 -.9 0;0 0 .5], B = [0;1;1]
elseif ex==14
   A = [.8 -.3 0;.2 .5 1;0 0 -.5], B = [1;1;0]
else
   disp('No data for this supplementary exercise, Chapter 5.')
end
