Determine the circuit of minimal length in the given graph. 20 42 34 30 35 12

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Determine the circuit of minimal length in the given graph.

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Solution. We can chose any initial vertex, we start from A and we list all the possibilities
with the corresponding lengths.
Path Length
A, B, C, D, A 97
A, B, D, C, A 108
A, C, B, D, A 141
A, C, D, B, A 108
A, D, B, C, A 141
A, D, C, B, A 97
We could also have avoided the circuits in opposite directions.
A shortest Hamilton circuit is A, B, C, D, A (or A, D, C, B, A) and it has length 97.

2. Determine the circuit of minimal length in the given graph.
20
42
34
30
35
12
Solution. We can chose any initial vertex, we start from A and we list all the possibilities
with the corresponding lengths.
Path
Length
97
А, В, С, D, A
А, В, D, C, A
А, С, В, D, A
А, С, D, B, A
А, D, B, C, A
А, D, C, B, A
108
141
108
141
97
We could also have avoided the circuits in opposite directions.
A shortest Hamilton circuit is A, B, C, D, A (or A, D, C, B, A) and it has length 97.
Transcribed Image Text:2. Determine the circuit of minimal length in the given graph. 20 42 34 30 35 12 Solution. We can chose any initial vertex, we start from A and we list all the possibilities with the corresponding lengths. Path Length 97 А, В, С, D, A А, В, D, C, A А, С, В, D, A А, С, D, B, A А, D, B, C, A А, D, C, B, A 108 141 108 141 97 We could also have avoided the circuits in opposite directions. A shortest Hamilton circuit is A, B, C, D, A (or A, D, C, B, A) and it has length 97.
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