% 
% Written by:
% -- 
% John L. Weatherwax                2007-07-01
% 
% email: wax@alum.mit.edu
% 
% Please send comments and especially bug reports to the
% above email address.
% 
%-----

clc; 
printf('Problem 14.6:\n');
tab = [ 1, -2, 1, 3, 1, 0, 0, 0, 8; 2, 3, -1, 2, 0, 1, 0, 0, 5; 1, 1, -3, 4, 0, 0, 1, 0, 6; -1, 2, -3, -1, 0, 0, 0, 1, 0 ];
simplex( tab );
printf('press enter for the next problem\n');
pause 


clc; 
printf('Problem 14.7:\n');
tab = [ 1/2, 1/3, 1, 0, 0, 130; 1/2, 2/3, 0, 1, 0, 170; -2, -1.25, 0, 0, 1, 0 ];
simplex( tab );
printf('press enter for the next problem\n');
pause 


clc; 
printf('Problem 14.8:\n');
tab = [ 2,  3, 1, 0, 0, 0, 0, 6; 
       -2,  1, 0, 1, 0, 0, 0, 0; 
        1,  0, 0, 0, 1, 0, 0, 2;
        0,  1, 0, 0, 0, 1, 0, 1;
       -3, -2, 0, 0, 0, 0, 1, 0 ] 
simplex( tab );
printf('press enter for the next problem\n');
pause 


clc; 
printf('Problem 14.9:\n');
tab = [ 40, 50, 1, 0, 0, 37000; 2, 3, 0, 1, 0, 2000; -2.2, -3.0, 0, 0, 1, 0 ];
simplex( tab );
printf('press enter for the next problem\n');
pause 


clc; 
printf('Problem 14.10:\n');
tab = [ 40, 50, 1, 0, 0, 37000; 2, 3, 0, 1, 0, 2000; -2.5, -3.0, 0, 0, 1, 0 ]; % only one element in the tableau changes  
simplex( tab );