The research of grey relational ideal method based on equilibrium point

Considering the existence of evaluations and opinions of the experts and practitioners in reality, the concept of equilibrium point is introduced to the process of multiple attribute decision making in this paper. A new approach based on the combination of GRA and TOPSIS is presented adding the subjective and objective equilibrium point to consider the ranking results influenced by subjective preference. The feasibility and effectiveness of the proposed method is demonstrated through comparing and analyzing a students scores ranking example with another method.