Moore-Penrose pseudo-inverse matrix and generalized dual variables in mathematical programming

Moore-Penrose pseudo-inverse matrix and generalized dual variables in mathematical programming

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Article ID: iaor19941145
Country: France
Volume: 26
Issue: 4
Start Page Number: 313
End Page Number: 360
Publication Date: Oct 1992
Journal: RAIRO Operations Research
Authors:
Keywords: duality
Abstract:

This paper extends the definition and usage of dual variables as well as the sensitivity of the parameters of a linear or a non-linear mathematical program at any point within the feasible set. This extension is of major importance as it provides information beyond that available from either the extreme points of the feasible set or the optimal solution point. The theoretical basis of the proposed approach is proven and numerical examples are provided illustrating its applicability as an analytical tool.

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