%0 Journal Article
%T Recursive calculation of higher order focus values for a class of nonlinear systems<br>一类非线性系统高阶奇点焦点量的递推计算
%A Chen Song-Lin
%A Nian Ya-Dong
%A <br>陈松林
%A 年亚东
%J 物理学报
%D 2007
%I 
%X A class of higher power nonlinear systems with higher order singular point are discussed in the paper. A series recursive equations for the calculation of focus value are obtained. An application on power-5 system are given and the concrete simulation verifies the theory.
%K center and focus
%K focus value
%K recursive equations
%K stability<br>中心与焦点
%K 焦点量
%K 递推方程
%K 稳定性
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=037939AD1BDDA39D&yid=A732AF04DDA03BB3&vid=014B591DF029732F&iid=E158A972A605785F&sid=15C3751723C70FA2&eid=0ADDA70032243493&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=9