The indifference points in multi-criteria decision problems (case stady Evalution Supplyers in Zanjan Province Water and Wastewater Company)

Subject Areas : Industrial Management

Reza  Radfar ¹ (Technology Management, Faculty of Management and Economy, Azad University of Science and Research, Tehran, Iran)
ARSHAD  FARAHMANDIAN ² (Department of Industrial Management, Science and Research Branch, Islamic Azad University, Tehran, Iran.)
Mohammad Ali  Afshar Kazemi ³ (Associate Professor.,Department of Industrial Management, Science and Research Branch, Islamic Azad University, Tehran, Iran.)

Received: 2018-12-30 Accepted : 2019-06-02 Published : 2019-09-19

Keywords: Indifference Points, Parallel Matrixs, Marginal Rate of Substitution, Metaheuristic Algorithms,

Abstract :

Decisions on the process of assessment and selection of suppliers should be made by examining all possible options, otherwise the organization will encounter many problems during the implementation and implementation phases.The purpose of the present study was to determine the indifference points of assessors of the water and wastewater company in Zanjan province.The method of this study was descriptive. The data of this study is related to supplier assessment of one of the projects of the city water and wastewater company Zanjan province.The data was collected based on the views of 10 experts with at least a bachelor's degree and at least 5 years of work experience in the company based on the "supplier assessment form".The data has been analyzed using the 2014 version of MATLAB software.A total of 10 cases of matrix matched with the initial decision matrix are identified and generated separately for each method.TOPSIS-GA = 2 and TOPSIS-PSO = 3 and AHP-GA = 2 and AHP-PSO = 3. A total of 10 cases of matrix matched with the initial decision matrix are identified and generated separately for each method.

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