LR-type fully Pythagorean fuzzy linear programming problems with equality constraints

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LR-type fully Pythagorean fuzzy linear programming problems with equality constraints

Akram, Muhammad; Ullah, Inayat; Allahviranloo, Tofigh; Edalatpanah, S.A.

Journal of intelligent & fuzzy systems, 01/2021, Volume: 41, Issue: 1

Journal Article

A Pythagorean fuzzy set is a powerful model for depicting fuzziness and uncertainty. This model is more flexible and practical as compared to an intuitionistic fuzzy model. This research article presents a new model called LR-type fully Pythagorean fuzzy linear programming problem. We consider the notions of LR-type Pythagorean fuzzy number, ranking for LR-type Pythagorean fuzzy numbers and arithmetic operations for unrestricted LR-type Pythagorean fuzzy numbers. We propose a method to solve LR-type fully Pythagorean fuzzy linear programming problems with equality constraints. We describe our proposed method with numerical examples including diet problem.

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Akram, Muhammad | Ullah, Inayat | Allahviranloo, Tofigh | Edalatpanah, S.A.

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