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一阶中立型差分方程的振动性 被引量:5

Oscillation of the First Order Neutral Difference Equations
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摘要 考虑一阶中立型差分方程Δ[x(n)-px(n-τ)]+qx(n-σ)=0, n≥n0.其中:Δ为前差分算子,即Δxn=xn+1-xn;p,q,τ,σ为正常数.利用求函数极值的方法,建立了新的振动准则. To consider the equation: Δ[x(n)-px(n-τ)]+qx(n-σ)=0,n≥n_0, where p,q,τ,σ are positive constants.A new criterion is obtained.
出处 《河北师范大学学报(自然科学版)》 CAS 2004年第6期569-570,共2页 Journal of Hebei Normal University:Natural Science
基金 河北省自然科学基金资助项目(103141)
关键词 中立型差分方程 振动性 差分算子 振动准则 函数极值 常数 正常 方法 利用 difference equation neutral oscillation
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参考文献8

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