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一类高阶有理差分方程的解 被引量:1

On The Solutions of Some High Order Rational Difference Equations
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摘要 对下面一类有理差分方程x_(n+1)=(λy_ny_(n-2))/(x_(n-1)(±λ±y_ny_(n-2))),y_(n+1)=(λx_nx_(n-2))/(y_(n-1)(±λ±x_nx_(n-2)))进行研究,给出了任意非零初值问题解的具体表达形式,并讨论了解的周期性. In this paper,we deal with the form of the solutions of the following rational difference system x_(n+1)=(λy_ny_n-2)/(x_(n-1)(±λ±y_ny_(n-2)),y_(n+1)=(λx_nx_(n-2))/(y_(n-1)(±λ±x_nx_(n-2))) with nonzero real number initial conditions.Further,periodic solutions of difference equations are investigated.
出处 《数学的实践与认识》 北大核心 2015年第14期294-299,共6页 Mathematics in Practice and Theory
基金 教育部科学技术研究重点项目(210030) 山西省自然科学基金(2013011002-3)
关键词 有理差分方程 初值问题 周期解 rational difference equations initial value problem periodic solution
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  • 1Kurbanli A S,Cinar C and Yalcinkaya I.On the behavior of positive solutions of the system of rational difference equations x_(n+1)=x_(n-1)/y_nx_(n-1)+1,y_(n+1)=y_(n-1)/x_ny_(n-1)+1[J].Math Comput Mod,2011,53(5-6):1261-1267.
  • 2Yang X,Liu Y and Bai S.On the system of high order rational difference equations x_n=a/y_(n-p),y_n=by_(n-p)/x_(n-q)y_(n-q)[J].Appl Math Comp,2005,171(2):853-856.
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