摘要
在求解微分方程的积分因子中,通过单变量积分因子的求法进行延伸,做一些简单的变量代换,对求一些微分方程两变量的积分因子非常方便。
Simple variable substitution is very convenient to seek integrating factor by an expanding methods solving integrating factor of one variables differential equation for solving differential equation having two variables
出处
《阴山学刊(自然科学版)》
2012年第4期8-9,23,共3页
Yinshan Academic Journal(Natural Science Edition)
关键词
微分方程
变量代换
积分因子
differential equations
variable substitution
integrating factor