| 具有正负系数的一阶中立型微分方程解的渐近性与振动性 |
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| 引用本文： | 陈璟.具有正负系数的一阶中立型微分方程解的渐近性与振动性[J].柳州师专学报,2002,17(4):96-97. |
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| 作者姓名： | 陈璟 |
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| 作者单位： | 柳州师范高等专科学校,数学系,广西,柳州,545003 |
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| 摘 要： | 讨论了具有正负系数的一阶中立型微分方程 x(t) - p(t)x (t -τ) ]′ q(t) f(x(t -σ) ) -r(t) f(x(t-δ) ) =0解的渐近性 ,获得了方程解振动充分条件的振动性
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| 关 键 词： | 正负系数 微分方程 渐近性 振动性 |
| 文章编号： | 1003-7020(2002)04-0096-03 |
| 修稿时间： | 2002年9月6日 |
The Gradation and Vibrating Nature of the First Order Nonlinear Neutral Differential Equation with Positive and Negative Coefficients |
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| CHEN Jing.The Gradation and Vibrating Nature of the First Order Nonlinear Neutral Differential Equation with Positive and Negative Coefficients[J].Journal of Liuzhou Teachers College,2002,17(4):96-97. |
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| Authors: | CHEN Jing |
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| Abstract: | The first order neutral differential equation is studied with positive and negative coefficients.The formula is non vibrating gradation. Some new sufficient conditions are obtained that guarantee every solution of the equation to oscillate. |
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| Keywords: | positive and negative coefficients differential equation gradation vibration |
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