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Human performance on the traveling salesman problem.

MacGregor, J. N. and Ormerod, Thomas C. (1996) Human performance on the traveling salesman problem. Perception and Psychophysics, 58 (4). pp. 527-539.

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Abstract

Two experiments on performance on the traveling salesman problem (TSP) are reported. The TSP consists of finding the shortest path through a set of points, returning to the origin. It appears to be an intransigent mathematical problem, and heuristics have been developed to find approximate solutions. The first experiment used 10-point, the second, 20-point problems. The experiments tested the hypothesis that complexity of TSPs is a function of number of nonboundary points, not total number of points. Both experiments supported the hypothesis. The experiments provided information on the quality of subjects’ solutions. Their solutions clustered close to the best known solutions, were an order of magnitude better than solutions produced by three well-known heuristics, and on average fell beyond the 99.9th percentile in the distribution of random solutions. The solution process appeared to be perceptually based.

Item Type: Article
Journal or Publication Title: Perception and Psychophysics
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Departments: Faculty of Science and Technology > Psychology
ID Code: 10580
Deposited By: Prof Tom Ormerod
Deposited On: 21 Jul 2008 10:58
Refereed?: Yes
Published?: Published
Last Modified: 22 Oct 2013 09:55
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/10580

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