| 高阶具正负系数中立型微分方程正解的存在性准则 |
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| 引用本文： | 李雪臣. 高阶具正负系数中立型微分方程正解的存在性准则[J]. 南都学坛, 1998, 0(3) |
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| 作者姓名： | 李雪臣 |
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| 作者单位： | 许昌师范高等专科学校!461000 |
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| 摘 要： | 考虑高阶具正负系数的中立型微分方程其中以及为奇数,通过对议程的讨论,得到了议程正解的存在准则。
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| 关 键 词： | 中立型微分方程 正负系数 正解的存在性 |
Existence of positive solution of higher order neutral differential equations with positive and negative coefficients |
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| Li Xuechen. Existence of positive solution of higher order neutral differential equations with positive and negative coefficients[J]. Academic forum of nandu, 1998, 0(3) |
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| Authors: | Li Xuechen |
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| Abstract: | In this paper, we discussed higher order neutral differential equations with positive and negative coefficients:By discussing, sufficient and necessary conditions are established for existence of solutions of Eq. to be positive. |
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| Keywords: | neutral equation positive and negative coefficients existenec of positive solutions |
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