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ＧＭ（１，１）模型是灰色系统理论中灰色模型的基础。本文分析了包括收敛、发散、稳定、混沌等在内的ＧＭ（１，１）模型的各种动态行为特性，从而为研究其适用的预测对象的特点奠定了理论基础。
GM (1,1) model is the foundation of gray model in gray system theory. This paper analyzes various dynamic behavior characteristics of the GM (1,1) model including convergence, divergence, stability and chaos, which lays a theoretical foundation for the study of the characteristics of the applicable forecasting object.