1、plot 函数用法
https://ww2.mathworks.cn/help/matlab/ref/plot.html?searchHighlight=plot&s_tid=doc_srchtitle
https://blog.csdn.net/u014261408/article/details/90084025
https://www.cnblogs.com/blogwww/p/9583255.html
划线颜色代码:https://www.cnblogs.com/takeaction/p/3789871.html
2、figure函数用法
https://blog.csdn.net/qq_30387863/article/details/80301996
3、legend()函数用法
https://blog.csdn.net/honglin_ren/article/details/37909879
https://www.cnblogs.com/zerobyzero/articles/5948318.html
4、xlabel()函数用法
https://zhinan.sogou.com/guide/d316513559462.htm?ch=zn.xqy.related
https://blog.csdn.net/u010142437/article/details/23740745
5、xlsread()函数用法
https://blog.csdn.net/roytao2/article/details/54098053
https://ww2.mathworks.cn/help/matlab/ref/xlsread.html
所有这些用法都是大家的总结,比较容易看懂,如果需要长期学习,官方的Help文档才是最为给力的。