Document Type : Review Paper
1 Department of Mathematics, Ganesh Dutt College, Begusarai, Bihar, India.
2 Department of Mathematics, Lalit Narayan Mithila University, Darbhanga, India
Multiple criteria decision analysis (MCDA) has been widely
investigated and successfully applied to many fields, owing
to its great capability of modeling the process of actual
decision-making problems and establishing proper evaluation
and assessment mechanisms. With the development
of management and economics, real-world decision-making
problems are becoming diversified and complicated to an
increasing extent, especially within a changeable
and unpredictable environment. Multi-criteria decision making is a decision-making technique that explicitly evaluates numerous contradictory criteria. TOPSIS is a well-known multi-criteria decision-making process. The goal of this research is to use TOPSIS to solve MCDM problems in a Pythagorean fuzzy environment. The distance between two Pythagorean fuzzy numbers is utilised to create the model using the spherical distance measure. To construct a ranking order of alternatives and determine the best one, the revised index approach is utilised. Finally, we look at a set of MCDM problems to show how the proposed method and approach work in practise. In addition, it shows comparative data from the relative closeness and updated index methods.
- Multiple attribute decision making (MADM)
- Pythagorean fuzzy sets
- score function
- spherical distance measurement
- revised index method
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