这是一个很有用的源代码,当你需要在matlab上进行一般区域此外还有助于我们理解程序.的二重定积分就需要用这个软件.所以,必须要再matlab中加载这个程序.-This is a very useful source code, when you need to carry out the general area on the matlab program also helps us to understand.' s Double definite integral you need to use this software, so you must load the program matlab again.