TITLE Wyndor Glass Co. Problem.  Dual of original model;
! ling06b;
! Y1 = price of plant 1 constraint;
! Y2 = price of plant 2 constraint;
! Y3 = price of plant 3 constraint;

[Obj] Min= 4*Y1 + 12*Y2 + 18*Y3;

[X1]         Y1          + 3*Y3 >= 3;
[X2]               2*Y2  + 2*Y3 >= 5;

!A student version of LINGO can be downloaded
from: http://www.lindo.com;


