摘要
给出了未知函数的一种线性变换 ,旨在消去未知函数的零阶导数项而将方程化为可降阶的类型 .
One linear transformation for unknown functions is givenin order to change the equation to the type of differential equations whose orders can be reduced by eliminating the derivative term with zero order.
出处
《淄博学院学报(自然科学与工程版)》
2001年第3期9-11,共3页
Journal of Zibo University(Natural Sciences and Engineering)