摘要
用上下解方法和不动点定理,研究二阶三点奇异边值问题正解的存在性。
By using the upper and lower solutions method and fixed point theory, a class of second-order threepoint singular boundary value problem is researched.
出处
《科学技术与工程》
2009年第1期5-7,19,共4页
Science Technology and Engineering
关键词
二阶奇异微分方程
三点边值问题
上下解方法
正解
second-order singular differential equation three-point boundary value problem upper and lower solution positive solution
