DMOR-05-03

# DMOR-05-03 - UF-ESI-6314 DMOR-05-03 Problem Statement page...

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Unformatted text preview: UF-ESI-6314 DMOR-05-03.xls Problem Statement page 1 of 2 05-03. Find the shortest path from node 1 to all other nodes using Dijkstra's algorithm. that the numbers next to the arcs are the flow costs. Please show your work. Assume 2 5 1 7 5 3 4 6 4 7 2 6 4 3 2 8 5 7 Luther Setzer 1 NASA Pkwy E Stop NEM3, Kennedy Space Center, FL 32899 (321) 544-7435 UF-ESI-6314 Per DMOR Class Notes 4: DMOR-05-03.xls Solution page 2 of 2 Step 1: Choose a node j* such that u j* has not been permanently labeled, and such that u j* ≤ u k for all nodes k that have not been permanently labeled. Step 2: Examine all arcs (i , j* ). For each such arc, if u i > u j* + c ij* (where c ij is the cost of traveling on arc (i , j )), then we have a new best way of getting to node n from node i : use arc (i , j* )! Set u i = u j* + c ij* . Step 3: Permanently label node j*. If all nodes have been permanently labeled, then stop. Else, repeat Step 1. (We can actually stop in Step 1 if j* = 1.) 5 2 5 6 12 4 11 4 2 13 7 4 7 3 2 9 5 7 18 8 15 6 10 0 1 5 3 5 Luther Setzer 7 14 (321) 544-7435 1 NASA Pkwy E Stop NEM3, Kennedy Space Center, FL 32899 ...
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DMOR-05-03 - UF-ESI-6314 DMOR-05-03 Problem Statement page...

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