Fuzzy Multi-attribute Decision-making Based on Grey Relation Analysis

Abstract

Uncertainty and grey often exist in many practical decision making problems. Aiming at this trait, we consider these two features when making decision and show the grey fuzzy set by combining membership degree with grey degree. In this paper, in view of the characteristics of grey fuzzy number, grey fuzzy comprehensive relation degree is defined. And present a method about the relation degree analysis for grey fuzzy multi-attribute decision making. This method is simple and practical. And the decision-making results is more objective and credible.