% data for Chapter 1 Supplementary Exercises

ex = input('Exercise number (12-14)? ');

if ex==12 
   MA = [1 1 1;.2 -.5 0;-.2 .5 0], MB = [.1 -.3 -.4 0;-.1 .6 -.2 0;0 -.3 .6 0]
elseif ex==13
   M = [1 1 1 12;1 2 4 15;1 3 9 16]
elseif ex==14
   M = [1 1 1 1 4.5;1 2 4 8 2.2;1 3 9 27 4.1;1 4 16 64 6.0]
else
   disp('No data for this supplementary exercise, Chapter 1.')
end
