分部积分法的推广——导积分部积分法

Popularization of Subsection Integral Method——Derivation and Integral,Subsection Integral Method

通过对分部积分法的推广和优化 ,使得解决两个函数乘积的积分问题的积分过程更加简单、清晰 。

Via the popularization and optimization of Subsection Integral Method,it becomes simpler and clearer to tackle the integral of two functions and convenient to check the accuracy of the result.