(*						      *)
(* Numerical Mathematics and Computing, Fifth Edition *)
(* Ward Cheney & David Kincaid		              *)
(* Brooks/Cole Publ. Co.			      *)
(* (c) 2003                                           *)
(* No warranties implied or expressed.	              *)
(* File: exp4					      *)

(* linear programming example 4 *)
(* minimize objective function subject to inequality constraints *)
ConstrainedMin[e, 
{2*x + 3*y - 5*z - e <= 4, x - y - e <= 2, 
 x + 2*y - 3*z - e <= 7, -2*x - 3*y + 5*z - e <= -4,
 -x + y - e <= -2, -x - 2*y + 3*z - e <= -7}, 
{x, y, z, e}]