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Direct Representation and Variation Operators for the Fixed Charge Transportation Problem

  • Christoph Eckert
  • Jens Gottlieb
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2439)

Abstract

The fixed charge transportation problem (FCTP) has been tackled by evolutionary algorithms (EAs) using representations like permutations, Prüfer numbers, or matrices. We present a new direct representation that restricts search to basic solutions and allows using problem- specific variation operators. This representation is compared w. r. t. locality and performance to permutations and Prüfer numbers. It clearly outperforms all other EAs and even reaches the solution quality of tabu search, the most successful heuristic for the FCTP we are aware of.

Keywords

Tabu Search Mutation Operator Basic Solution Solution Quality Transportation Plan 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Christoph Eckert
    • 1
  • Jens Gottlieb
    • 1
  1. 1.SAP AGWalldorfGermany

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