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A New Algorithm for Tree Modification in the Primal Transportation Problem

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  • Britton Harris

    (University of Pennsylvania, Philadelphia)

Abstract

Primal methods for the transportation problem of linear programming require substantial bookkeeping to deal with constant updating of a tree describing the shipments in the current feasible solution. This paper suggests a new means of bookkeeping which is useful for long narrow problems. The method builds on previous work by the same author which reduces the number of records to be updated. The new methods reduce the number of items which have to be maintained for a replication of the tree and simplify some steps in updating the remaining items.

Suggested Citation

  • Britton Harris, 1978. "A New Algorithm for Tree Modification in the Primal Transportation Problem," Transportation Science, INFORMS, vol. 12(4), pages 271-276, November.
    • Handle: RePEc:inm:ortrsc:v:12:y:1978:i:4:p:271-276
    DOI: 10.1287/trsc.12.4.271
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    File URL: http://dx.doi.org/10.1287/trsc.12.4.271
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    Cited by:

    1. B Harris, 1981. "An Extended Programming Experience," Environment and Planning A, , vol. 13(1), pages 19-27, January.

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