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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
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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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.
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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