Abstract
In the past years several evolutionary algorithms have been applied to the fixed charge transportation problem (FCTP). Although suffering from a lack of locality, the Prüfer number representation has recently been suggested for the FCTP, and — to our surprise — it has been reported to yield good results. Since this disagrees with the common intuition that locality is an important prerequisite of successful evolutionary search, we analyse the Prüfer number representation in greater detail. The results show that the Prüfer number representation is superior to random search but clearly inferior to the permutation representation with respect to solution quality, which is explained by our locality analysis.
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Gottlieb, J., Eckert, C. (2000). A Comparison of Two Representations for the Fixed Charge Transportation Problem. In: Schoenauer, M., et al. Parallel Problem Solving from Nature PPSN VI. PPSN 2000. Lecture Notes in Computer Science, vol 1917. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45356-3_34
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DOI: https://doi.org/10.1007/3-540-45356-3_34
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