vc环境下高斯函数，希望对需要用高斯函数处理程序的朋友们有所帮助-The file is about guass function using the vc.

高斯分布，瑞利分布，泊松分布,产生符合这三个分布的随机序列-Gaussian distribution, Rayleigh distribution, Poisson distribution, that meets these three distributed random sequence