摘要
基于比较特殊的概率积分∫_(-∞)^(+∞)e-x2dx=(π/(1/2)),给出了比较复杂的广义概率积分∫_(-∞)^(+∞)ae^(-bx2)dx=a((π/b)^(1/2))(b>0)的几种简便方法.
Based on the special probability integral, several Calculation methods of the generalized probability integral are presented.
出处
《河西学院学报》
2009年第5期26-34,共9页
Journal of Hexi University
关键词
重积分
概率积分
Double integral
Probability integral