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PAM---A Practitioner's Approach to Modeling

Author

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  • James S. Welch, Jr.

    (Ketron Management Science, Inc., 1700 No. Moore Street, Arlington, Virginia 22209)

Abstract

Many Linear Programming (LP) practitioners formulate and document their models with block schematics of LP matrices. They subscribe to neither the column-wise emphasis of commercial matrix generators nor to the constraint orientation of recently proposed "modelling languages." PAM is a nonprocedural modeling language in which the practitioner describes an LP matrix with a set of two-dimensional tables: a table representing the block schematic of the matrix and supporting data tables. A computer program processes these tables to produce an LP matrix ready for optimization. This paper describes block-wise model formulation, discusses the relationships of the data to the model, presents an overview of PAM's matrix generation language, and gives some experience with a prototype system.

Suggested Citation

  • James S. Welch, Jr., 1987. "PAM---A Practitioner's Approach to Modeling," Management Science, INFORMS, vol. 33(5), pages 610-625, May.
    • Handle: RePEc:inm:ormnsc:v:33:y:1987:i:5:p:610-625
    DOI: 10.1287/mnsc.33.5.610
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    Cited by:

    1. A. Atamtürk & E. L. Johnson & J. T. Linderoth & M. W. P. Savelsbergh, 2000. "A Relational Modeling System for Linear and Integer Programming," Operations Research, INFORMS, vol. 48(6), pages 846-857, December.

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