Fuzzy Differential Equations with Application in Electrical Circuit
الموضوعات : Fuzzy Optimization and Modeling Journal
Nemat Taghi-Nezhad
1
,
F. Amiri
2
,
M. Shahini
3
1 - Department of Mathematics & Statistics, Gonbad Kavous University, Gonbad Kavous, Golestan, Iran.
2 - Department of Mathematics & Statistics, Gonbad Kavous University, Gonbad Kavous, Golestan, Iran.
3 - Department of Mathematics & Statistics, Gonbad Kavous University, Gonbad Kavous, Golestan, Iran
الکلمات المفتاحية: Fuzzy set, First order differential equations, Fuzzy differential equations, Electrical circuit,
ملخص المقالة :
Today, the production and services field faces a change in the competition pattern among independent companies and supply chains. The food supply chain is among the complex supply chains with special characteristics that can toughly be adapted to general evaluation systems. The current research aims to determine the effective indicators for evaluating the performance of the sustainable food supply chain. This research is descriptive-survey in terms of method and practical in terms of purpose. In line with the research implementation, based on the study of the theoretical foundations and the background of the research conducted concerning the effective indicators in evaluating the performance of the sustainable supply chain, the effective criteria were extracted and given to 25 research experts in the form of a questionnaire. Finally, to investigate the relationships between these 26 basic criteria, another questionnaire was prepared and given to the research experts. The final factors were structured based on the answers received and using the methods of fuzzy cognitive mapping and fuzzy DEMATEL. Regarding the centrality criterion in the fuzzy cognitive mapping method, the factors "income distribution, sustainable investment, and average annual training time of employees" have the most centrality, so they were recognized as the main factors influencing the performance evaluation of the sustainable food supply chain.
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