Consider 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, and 6 must be undertaken. b. In which situation the constraint "x3 - x5 = 0" is used, please explain clearly: c. Write a constraint modeling a situation in which project 2 or 4 must be undertaken, but not both. d. Write constraints modeling a situation where project 1 cannot be undertaken IF projects 3 also is NOT undertaken.

Consider 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, and 6 must be undertaken. b. In which situation the constraint "x3 - x5 = 0" is used, please explain clearly: c. Write a constraint modeling a situation in which project 2 or 4 must be undertaken, but not both. d. Write constraints modeling a situation where project 1 cannot be undertaken IF projects 3 also is NOT undertaken.

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Description: Consider a capital budgeting problem with six projectsrepresented by 0-1 variables x1, x2, x3, x4, x5, and x6.a. Write a constraint modeling a situation in which two ofthe projects 1, 3, and 6 must be undertaken.b. In which situation the constraint

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Consider 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, and 6 must be undertaken.
b. In which situation the constraint "x3 - x5 = 0" is used,
please explain clearly:
c. Write a constraint modeling a situation in which
project 2 or 4 must be undertaken, but not both.
d. Write constraints modeling a situation where project 1
cannot be undertaken IF projects 3 also is NOT
undertaken.
e. Please explain clearly the situation in which the
following 3 constraints are used simulataneously
(together):
x4 <x1
x4 3 x3
x4 2x1 + x3 - 1

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