example1.mod

#! /usr/local/bin/glpsol -m

# https://www.youtube.com/watch?v=VHPnuWGprKc

var x1 >= 0;
var x2 >= 0;

maximize obj: x1 + 2 * x2;

c1 : -3 * x1 + x2 <= 2;
c2 : x2 <= 11;
c3 : x1 - x2 <= 3;
c4 : x1 <= 6;

solve;

display x1;
display x2;

end;