lyj456258的博客

下面是一个正态分布的例子，介绍的很详细，通过对引用函数的改变还可以绘制诸如卡方分布，t分布等常见分布函数的绘制。Let????be a random variable that follows the normal distribution, i.e.,????∼????(????,????2),X∼N(a,b2),where????is the mean ofX, and????is the standard deviation of????.Plot the probability de