进行可靠度分析有效方法 画出数据概率分别vu 如 -for reliable method N = FREQDM(Y) bins the elements of Y into 10 equally spaced containers

　　and returns the frequency of each container.

　　If Y is a matrix, FREQDM works down the columns.



　　N = FREQDM(Y,M), where M is a scalar, uses M bins.