Question: Suppose that the first goal in a GP problem is to make 2X1 + 5X2 approximately equal to 25. a. Using the deviational variables d-1

Suppose that the first goal in a GP problem is to make 2X1 + 5X2 approximately equal to 25.

a. Using the deviational variables d-1 and d+1 1, what constraint can be used to express this goal?

b. If we obtain a solution where X1 = 4 and X2 = 3, what values do the deviational variables assume?

c. Consider a solution where X1 = 4, X2 = 3, d-1 = 6, and d+1 = 4. Can this solution ever be optimal? Why or why not?


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