Chapter 17, Logical Constraints in Optimization, introduced features of ILOG CPLEX that transform parts of your problem automatically for you. This chapter shows you some of those features in use. The chapter is based on the formulation by H.P. Williams of a standard industrial problem in food manufacturing. The aim of the problem is to blend a number of oils cost effectively in monthly batches. In this version of the problem, formulated by Williams as food manufacturing 2 in his book Model Building in Mathematical Programming, the number of ingredients in a blend must be limited, and extra conditions are added to govern which oils can be blended.
| Note |
| These logical constraint facilities are available in ILOG CPLEX only with Concert Technology for C++ users.
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