这是我自己学习编写的代码集合 里面有老师讲的 自己改写的 都是一些简单的代码 但是每个代码都写了 很详细的注释 你不用看帮助文件就可以理解-This the collection of my code for learning, including the teacher s code and modified by me. All of them are very simple, but including notation in detail. You can read it without