PLP - A Package for Parametric Programming

Golebiowski, A. (1988). PLP - A Package for Parametric Programming. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-88-118

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Abstract

This paper is one of the series of 11 Working Papers presenting the software for interactive decision support and software tools for developing decision support system. These products constitute the outcome of the contracted study agreement between the System and Decision Sciences Program at IIASA and several Polish scientific institutions. The theoretical part of these results is presented in the IIASA Working Paper WP-88-071 entitled "Theory, Software and Testing Examples in Decision Support Systems" which contains the theoretical and methodological backgrounds of the software systems developed within the project.

This paper presents the PLP package for parametric linear programming. This package constitutes the extension to MINOS, the well known linear and nonlinear programming code developed at Stanford University, and uses the MINOS as the solver of optimization problems. The PLP gives a complete parametric programming analysis for one, or more, of the following vectors: cost, rhs and bounds. In the same run several problems of this kind can be solved and for each, the starting point may be the original optimal solution obtained in the last problem. This property makes the PLP especially interesting for multiple criteria analysis using the reference point approach.

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