simulink中s-function使用

https://blog.csdn.net/scliu12345/article/details/54343277

http://blog.sina.com.cn/s/blog_4b013fb10100nbdm.html

https://blog.csdn.net/weixin_41695564/article/details/81149673

https://zhuanlan.zhihu.com/p/91436907