7. The following questions refer to a capital budgeting problem with six projects represented by 0-1 variables x1, x2, x3, x4, x5, and x6: a. Write a constraint modeling a situation in which two of the projects 1, 3, 5, and 6 must be undertaken. b. Write a constraint modeling a situation in which, if projects 3 and 5 must be undertaken, they must be undertaken simultaneously. c. Write a constraint modeling a situation in which project 1 or 4 must be undertaken, but not both. d. Write constraints modeling a situation where project 4 cannot be undertaken unless projects 1 and 3 also are undertaken. e. In addition to the requirement in part (d), assume that when projects 1 and 3 are undertaken, project 4 also must be undertaken.
7. The following questions refer to a capital budgeting problem with six projects represented by 0-1 variables x1, x2, x3, x4, x5, and x6: a. Write a constraint modeling a situation in which two of the projects 1, 3, 5, and 6 must be undertaken. b. Write a constraint modeling a situation in which, if projects 3 and 5 must be undertaken, they must be undertaken simultaneously. c. Write a constraint modeling a situation in which project 1 or 4 must be undertaken, but not both. d. Write constraints modeling a situation where project 4 cannot be undertaken unless projects 1 and 3 also are undertaken. e. In addition to the requirement in part (d), assume that when projects 1 and 3 are undertaken, project 4 also must be undertaken.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Transcribed Image Text:7.
The following questions refer to a capital budgeting problem with six projects represented
by 0-1 variables x1, X2, X3, X4, X5, and x6:
a. Write a constraint modeling a situation in which two of the projects 1, 3, 5, and 6 must
be undertaken.
b.
Write a constraint modeling a situation in which, if projects 3 and 5 must be undertaken,
they must be undertaken simultaneously.
C. Write a constraint modeling a situation in which project 1 or 4 must be undertaken, but
not both.
d. Write constraints modeling a situation where project 4 cannot be undertaken unless
projects 1 and 3 also are undertaken.
e.
In addition to the requirement in part (d), assume that when projects 1 and 3 are
undertaken, project 4 also must be undertaken.
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