Generalized hyperplane methods for characterizing ℝ-extreme points and trade-off rates for multiobjective optimization problems

Generalized hyperplane methods for characterizing ℝ-extreme points and trade-off rates for multiobjective optimization problems

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Article ID: iaor19942423
Country: Netherlands
Volume: 57
Issue: 3
Start Page Number: 368
End Page Number: 380
Publication Date: Mar 1992
Journal: European Journal of Operational Research
Authors: ,
Abstract:

Recently, as a generalization of the well-known scalarizing methods for characterizing Pareto optimal solutions of multiobjective optimization problems (MOPs), a fully integrated scalarizing method, called the hyperplane method has been introduced by the authors. In this paper, they further propose the generalized hyperplane method for characterizing -extreme points which can be viewed as a generalized concept of Parteo optimality to the MOPs, and investigate the properties of the generalized hyperplane problems in detail. Moreover, a meaningful formula which relates the trade-off rates within -extreme point set to the Lagrange multipliers of the generalized hyperplane problems is derived by realizing that trade-off information is significantly useful in almost all the interactive multiobjective decision making methods. Finally, the results developed in this paper are illustrated by a numerical example.

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