Consider a situation where your model includes binary variables x, x2, ..., x9, each representing the...
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Consider a situation where your model includes binary variables x₁, x2, ..., x9, each representing the poten- tial purchase of a particular investment. Show how to represent each of the following constraints as a single linear constraint: a. You must choose exactly 4 of them. b. If you choose investments 1 and 2, you must also choose investment 4. c. You must choose either both investments 5 and 6, or neither of them. Consider a situation where your model includes binary variables x₁, x2, ..., x9, each representing the poten- tial purchase of a particular investment. Show how to represent each of the following constraints as a single linear constraint: a. You must choose exactly 4 of them. b. If you choose investments 1 and 2, you must also choose investment 4. c. You must choose either both investments 5 and 6, or neither of them.
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Related Book For
Introduction to Operations Research
ISBN: 978-1259162985
10th edition
Authors: Frederick S. Hillier, Gerald J. Lieberman
Posted Date:
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