New Approach to Solving Fuzzy Multiobjective Linear Fractional Optimization Problems

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DOI: https://doi.org/10.28924/2291-8639-22-2024-11
Published: Jan 8, 2024
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Jean De La Croix Sama, Doubassi Parfait Traore, Kounhinir Some, New Approach to Solving Fuzzy Multiobjective Linear Fractional Optimization Problems, Int. J. Anal. Appl., 22 (2024), 11.

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Jean De La Croix Sama, Doubassi Parfait Traore, Kounhinir Some

Abstract

In this paper, an iterative approach based on the use of fuzzy parametric functions is proposed to find the best preferred optimal solution to a fuzzy multiobjective linear fractional optimization problem. From this approach, the decision-maker imposes tolerance values or termination conditions for each parametric objective function. Indeed, the fuzzy parametric values are computed iteratively, and each fuzzy fractional objective is transformed into a fuzzy non-fractional parametric function using these values of parameters. The core value of fuzzy numbers is used to transform the fuzzy multiobjective non-fractional problem into a deterministic multiobjective non-fractional problem, and the ε-constraint approach is employed to obtain a linear single objective optimization problem. Finally, by setting the value of parameter ε, the Dangtzig simplex method is used to obtain an optimal solution. Therefore, the number of solutions is equal to the number of used values, and the optimal solution is chosen according to the preference of the decision-maker. We have provided a didactic example to highlight the step of our approach and its numerical performances.

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