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- From: jmyers@casbah.acns.nwu.edu (Jennifer Myers)
- Subject: Re: Data for Travelling Salesman Prob Wanted...
- Message-ID: <1993Jan21.180702.22687@news.acns.nwu.edu>
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- Organization: Northwestern University, Evanston, Illinois
- References: <1993Jan21.114216.1196@uoft02.utoledo.edu>
- Date: Thu, 21 Jan 1993 18:07:02 GMT
- Lines: 31
-
- sarit@jupiter.cse.utoledo.edu (sarit sharma) writes:
-
- > i am looking for the data of the,
- > 30 city Travelling Salesman Problem.
- > i have the algorithm, which i would like to test.
-
- Sarit,
-
- The 30-city TSP in Hopfield & Tank's 1985 paper in Biological Cybernetics
- (Vol 52, pp. 141-152) uses approximately these coordinates for the cities:
-
- 1. (0.3663, 0.9076) 11. (0.7459, 0.8713) 21. (0.4521, 0.8465)
- 2. (0.7624, 0.7459) 12. (0.7096, 0.7228) 22. (0.0710, 0.7426)
- 3. (0.4224, 0.7129) 13. (0.5908, 0.6931) 23. (0.3201, 0.6403)
- 4. (0.5974, 0.6436) 14. (0.3630, 0.5908) 24. (0.6700, 0.5908)
- 5. (0.6172, 0.5495) 15. (0.6667, 0.5446) 25. (0.1980, 0.4686)
- 6. (0.3498, 0.4488) 16. (0.2673, 0.4274) 26. (0.9439, 0.4208)
- 7. (0.8218, 0.3795) 17. (0.3729, 0.2690) 27. (0.6073, 0.2640)
- 8. (0.4158, 0.2475) 18. (0.5990, 0.2261) 28. (0.3927, 0.1947)
- 9. (0.5347, 0.1898) 19. (0.3960, 0.1320) 29. (0.6287, 0.0842)
- 10. (0.5000, 0.0396) 20. (0.9802, 0.0182) 30. (0.6832, 0.8515)
-
- I measured these coordinates by hand after magnifying the image by
- several hundred percent with a photocopier.
-
- Good luck,
-
- Jennifer Myers
- jmyers@nwu.edu
-
-
-