摘要
本文研究二阶线性常微分方程
This paper studies a second order linear ordinary differential equation with three-turning points Where and is a large parameter.but We obtain the complete expression of the formal uniformly valid asymptotic solutions to the equation near turning point by using JL function.
出处
《四川轻化工学院学报》
1996年第3期49-58,共10页
Journal of Sichuan Institute of Light Industry and Chemical Technology
