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Write your answers in the D1 answer book for this paper. D. F A 73 56 27 38 48 B 73 58 59 43 34 56 58 46 38 42 D. 27 59 46 25 32 E 38 43 38 25 F 48 34 42 32 21 The table above shows the least distances, in km, between six cities, A, B, C, D, E and F. Mohsen needs to visit cach city, starting and finishing at A, and wishes to minimise the total distance he will travel. (a) Starting at A, use the nearest ncighbour algorithm to obtain an upper bound for the length of Mohsen's route. You must state your route and its length. (b) Starting by deleting A and all of its ares, find a lower bound for the length of Mohsen's route. (c) Use your answers from (a) and (b) to write down the smallest interval that you can be confident contains the optimal length of the route. 21

Write your answers in the D1 answer book for this paper. D. F A 73 56 27 38 48 B 73 58 59 43 34 56 58 46 38 42 D. 27 59 46 25 32 E 38 43 38 25 F 48 34 42 32 21 The table above shows the least distances, in km, between six cities, A, B, C, D, E and F. Mohsen needs to visit cach city, starting and finishing at A, and wishes to minimise the total distance he will travel. (a) Starting at A, use the nearest ncighbour algorithm to obtain an upper bound for the length of Mohsen's route. You must state your route and its length. (b) Starting by deleting A and all of its ares, find a lower bound for the length of Mohsen's route. (c) Use your answers from (a) and (b) to write down the smallest interval that you can be confident contains the optimal length of the route. 21

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Write your answers in the D1 answer book for this paper. D. E F A 73 56 27 38 48 B 73 58 59 43 34 56 58 46 38 42 D 27 59 46 25 32 E 38 43 38 25 21 48 34 42 32 21 The table above shows the least distances, in km, between six cities, A, B, C, D, E and F. Mohsen needs to visit cach city, starting and finishing at A, and wishes to minimise the total distance he will travel. (a) Starting at A, use the nearest ncighbour algorithm to obtain an upper bound for the length of Mohsen's route. You must state your route and its length. (b) Starting by deleting A and all of its ares, find a lower bound for the length of Mohsen's route. (c) Use your answers from (a) and (b) to write down the smallest interval that you can be confident contains the optimal length of the route.
Transcribed Image Text:Write your answers in the D1 answer book for this paper. D. E F A 73 56 27 38 48 B 73 58 59 43 34 56 58 46 38 42 D 27 59 46 25 32 E 38 43 38 25 21 48 34 42 32 21 The table above shows the least distances, in km, between six cities, A, B, C, D, E and F. Mohsen needs to visit cach city, starting and finishing at A, and wishes to minimise the total distance he will travel. (a) Starting at A, use the nearest ncighbour algorithm to obtain an upper bound for the length of Mohsen's route. You must state your route and its length. (b) Starting by deleting A and all of its ares, find a lower bound for the length of Mohsen's route. (c) Use your answers from (a) and (b) to write down the smallest interval that you can be confident contains the optimal length of the route.
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