世界烟草产业成长过程的逻辑函数分析

摘要

The identifying models of the parameters in a logistic function are introduced in this paper at first.Then the identifying models are used to analyze the output series of Tobacco Industry in the World. The parameters in the logistic function are gained and the demonstrative model on the growth process of Tobacco Industry in the World is formulated .The demonstrative model predicts the development trends of China tobacco industry.