浅谈积分因子的存在条件

The Existent Conditions of Integrating Factor

对常微分方程中的积分因子进行了一定程度的探究,主要分析说明了积分因子的存在条件及一些特殊方程的积分因子的求解方法,从而阐明了积分因子在一阶微分方程中的地位。

This paper studies the integrating factor of differential equation to a certain extent, mainly analyzing and expounding the existent conditions of integrating factor and the resoluble method of some particular function of integrating factor, thereby, this paper clarifies the integrating factor's location in differential equation.