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2. Find the minimum cost flow of value 4 from A to E! The numbers on the arcs represent the current flow, the upper bound (capacity) and the cost. The lower bounds are 0 for all arcs.

2. Find the minimum cost flow of value 4 from A to E! The numbers on the arcs represent the current flow, the upper bound (capacity) and the cost. The lower bounds are 0 for all arcs.

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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2. Find the minimum cost flow of value 4 from A to E! The numbers on the arcs represent the current flow, the upper bound (capacity) and the cost. The lower bounds are 0 for all arcs. (a) Does the current flow correspond to a basic solution? If not, modify it to get a basic solution! (b) Is the resulting basic solution optimal? If not, find all improving arcs, then perform one improving step with the network simplex algorithm! What is the cost of the resulting solution? Is it an optimal solution? 0(5, 1) B 1(2,3) 3(3,4) 1(3,2) 1(3-4) 2(27) D A 2(4,2) 0(8,2) 1(6,4) E
Transcribed Image Text:2. Find the minimum cost flow of value 4 from A to E! The numbers on the arcs represent the current flow, the upper bound (capacity) and the cost. The lower bounds are 0 for all arcs. (a) Does the current flow correspond to a basic solution? If not, modify it to get a basic solution! (b) Is the resulting basic solution optimal? If not, find all improving arcs, then perform one improving step with the network simplex algorithm! What is the cost of the resulting solution? Is it an optimal solution? 0(5, 1) B 1(2,3) 3(3,4) 1(3,2) 1(3-4) 2(27) D A 2(4,2) 0(8,2) 1(6,4) E
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