【正文】
從一次迭代的角度來看,數(shù)量增長是不穩(wěn)定的,即沒有極限;從兩次迭代的角度來看,增長卻是不穩(wěn)定的,此現(xiàn)象常稱為2倍周期收斂;(3) 當(dāng)時(shí),迭代序列有四個(gè)收斂點(diǎn),稱為4倍周期收斂。參 考 文 獻(xiàn)[1] 姜啟源.《數(shù)學(xué)模型》. 北京:高等教育出版社,1998. About Multiple Periodic Convergence in the Logistic — ModelXu Liwei( Department of Applied Mathematics, Nanjing Institute of Postsand Telemunications, Nanjing, 210003)Abstract In this paper, Experimentation and inductive method are used to study Multiple Periodic Convergence in the Logistic — Model, and the interrelating proof is given.Keyword Mathematical Model , Mathematical Experimentation , Difference Equation6