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Multicriteria decision-making problems under fuzzy conditions

Authors: Zaychenko, Olena Yu.; Zaychenko, Yuriy P.;

Multicriteria decision-making problems under fuzzy conditions

Abstract

Multicriteria problems of decision-making under the uncertainty are considered. For such problems, pareto-optimal solutions and best compromise solutions of level α are introduced. The corresponding theorems determining their interconnections are formulated and proved. The method for solving the considered problem is suggested based on the search of optimal compromise solutions of level α. The example of solving a multicriteria linear programming problem with fuzzy parameters is presented demonstrating the suggested approach. Also, the comparison of solutions for non-fuzzy and fuzzy problems is performed.

Розглянуто багатокритеріальні задачі прийняття рішень в нечітких умовах (БКНП). Уведено поняття парето-оптимального розв’язку та найкращого компромісного розв’язку рівня α БКНП- задачі. Сформульовано та доведено теореми, які встановлюють взаємозв’язки між ними. Запропоновано метод розв’язання БКНП-задачі на основі пошуку компромісних розв’язків рівня α. Наведено приклад ров’язання багатокритеріальної задачі лінійного програмування з нечіткими параметрами, який ілюструє запропонований підхід, та проведено його порівняння з компромісним розв’язком цієї задачі в чіткій постановці.

Рассмотрены многокритериальные задачи нечеткого математического программирования. Введены понятия парето-оптимального решения и наилучшего компромиссного решения уровня α МКНП- задачи. Сформулированы и доказаны теоремы, устанавливающие взаимосвязи между ними. Предложен метод решения МКНП-задачи на основе поиска компромиссных решений уровня α. Приведен пример решения многокритериальной задачи линейного программирования с нечеткими условиями, иллюстрирующими предложенный подход и проведено его сравнение с компромиссным решением этой задачи в четкой постановке.

Keywords

багатокритеріальні задачі;нечітке математичне програмування;Парето-оптимальні розв’язки рівня α;найкращий компромісний розв’язок рівня α, multicriteria decision-making problems;uncertainty;Pareto-optimal solutions of level α;best compromise solutions of level α, многокритериальные задачи;нечеткое математическое программирование;Парето-оптимальные решения уровня α;наилучшее компромиссное решение уровня α

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold