6. Engineers Required 20 55 47 38 90 63 NPV ($1,000,000s) 1.0 1.8 2.0 1.5 3.6 2.2 Formulate an integer linear program that maximizes Tower's NPV, subject to constraints, which will be stated in the questions that follow. Let P = 0 or 1, indicate if project i will not be undertaken or will be undertaken respectively. The management of Tower Engineering stipulates that if project 4 is completed, then at least two out of projects 1, 2 and 3 should also be completed. This restriction is captured by: O P4 + P1 <- 1, P4 + P2 < 1, and P4 + P3 <- 1 O P1 + P2 + P3 >- 2P4 O None of the others. P4 <- P1 + P2 + P3-2 P4 <- P1, P4< P2, and P4 < P3 5. 4. 2. 1.
6. Engineers Required 20 55 47 38 90 63 NPV ($1,000,000s) 1.0 1.8 2.0 1.5 3.6 2.2 Formulate an integer linear program that maximizes Tower's NPV, subject to constraints, which will be stated in the questions that follow. Let P = 0 or 1, indicate if project i will not be undertaken or will be undertaken respectively. The management of Tower Engineering stipulates that if project 4 is completed, then at least two out of projects 1, 2 and 3 should also be completed. This restriction is captured by: O P4 + P1 <- 1, P4 + P2 < 1, and P4 + P3 <- 1 O P1 + P2 + P3 >- 2P4 O None of the others. P4 <- P1 + P2 + P3-2 P4 <- P1, P4< P2, and P4 < P3 5. 4. 2. 1.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
![4.
6.
Engineers Required
20
55
47
38
90
63
NPV ($1,000,000s)
1.0
1.8
2.0
1.5
3.6
2.2
Formulate an integer linear program that maximizes Tower's NPV, subject to constraints, which will be stated in
the questions that follow.
Let P = 0 or 1, indicate if project i will not be undertaken or will be undertaken respectively.
The management of Tower Engineering stipulates that if project 4 is completed, then at least two out of
projects 1, 2 and 3 should also be completed. This restriction is captured by:
O P4 + P1 <- 1, P4 + P2 < 1, and P4 + P3 <- 1
O P1 + P2 + P3 >- 2P4
O None of the others.
P4 <- P1 + P2+ P3 - 2
O P4 <- P1, P4 <- P2, and P4 < P3
5.
2.
1.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd26076b1-8500-43f4-86ac-3866f0031f54%2F5404d9f9-6557-4b28-b193-53084e36699a%2Fv8ollxc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4.
6.
Engineers Required
20
55
47
38
90
63
NPV ($1,000,000s)
1.0
1.8
2.0
1.5
3.6
2.2
Formulate an integer linear program that maximizes Tower's NPV, subject to constraints, which will be stated in
the questions that follow.
Let P = 0 or 1, indicate if project i will not be undertaken or will be undertaken respectively.
The management of Tower Engineering stipulates that if project 4 is completed, then at least two out of
projects 1, 2 and 3 should also be completed. This restriction is captured by:
O P4 + P1 <- 1, P4 + P2 < 1, and P4 + P3 <- 1
O P1 + P2 + P3 >- 2P4
O None of the others.
P4 <- P1 + P2+ P3 - 2
O P4 <- P1, P4 <- P2, and P4 < P3
5.
2.
1.
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