A New Approach for Solving Fully Fuzzy Bilevel Linear Programming Problems
الموضوعات : مجله بین المللی ریاضیات صنعتیS. F. Tayebnasab 1 , F. Hamidi 2 , M. Allahdadi 3
1 - Department of Mathematics, University of Sistan and Baluchestan, Zahedan, Iran.
2 - Department of Mathematics, University of Sistan and Baluchestan, Zahedan, Iran.
3 - Department of Mathematics, University of Sistan and Baluchestan, Zahedan, Iran.
الکلمات المفتاحية: Triangular fuzzy numbers, Bilevel linear programming, Optimal solution, Unconstrain variables, Ranking function,
ملخص المقالة :
This paper addresses a type of fully fuzzy bilevel linear programming (FFBLP) wherein all the coefficients and decision variables in both the objective function and constraints are triangular fuzzy numbers. This paper proposes a new simple-structured, efficient method for FFBLP problems based on crisp bilevel programming that yields fuzzy optimal solutions with unconstraint variables and parameters. some examples have been provided to illustrate these methods.
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