Grey Correlation Based on Combinational Weight and Its Application
Jinsong Hu
Abstract
Jinsong Hu
Abstract
Introducing the Grey system theory,this paper presents a new Grey correlation technique for order preference by similarity to ideal solution(GC-TOPSIS) and so as to develop the traditional TOPSIS.First,we decide the weight of every decision-making index by using AHP and entropy method. Second,according to Grey correlation analysis method,we establish GC-TOPSIS by using Grey correlation degree as decision-making unit.Finally,through a supplier selection problem we prove its validity and feasibility.
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Introducing the Grey system theory,this paper presents a new Grey correlation technique for order preference by similarity to ideal solution(GC-TOPSIS) and so as to develop the traditional TOPSIS.First,we decide the weight of every decision-making index by using AHP and entropy method. Second,according to Grey correlation analysis method,we establish GC-TOPSIS by using Grey correlation degree as decision-making unit.Finally,through a supplier selection problem we prove its validity and feasibility.
Key concepts: TOPSIS, Ideal solution, Analytic hierarchy process, Entropy (arrow of time), Correlation, Mathematics, Selection (genetic algorithm), Statistics