二阶强迫非线性时滞差分方程振动的充要条件
Necessary and Sufficient Conditions for the Oscillation of the Second Order Forced Nonlinear Delay Difference Equations
摘要
给出了二阶强迫非线性时滞差分方程 ?2xn + anf(xn ) = gn 的所有解弱振动的一个充要条 ?k 件。
A necessary and su?cient condition is given for the weak oscillation of all solutions of the second order forced nonlinear delay di?erence equations ?2xn + anf(xn ) = gn. ?k
出处
《工程数学学报》
CSCD
北大核心
2005年第1期151-154,共4页
Chinese Journal of Engineering Mathematics
基金
曲阜师范大学科研基金(XJ02001).
关键词
振动
弱振动
强迫差分方程
时滞
oscillation
weakly oscillation
forced difference equations
delay
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