matlab中不认识的东西（未完待续）

a'与a.'

a'输出的结果是原始数组a的复共轭转置
a.'输出的结果是原始数组a的转置矩阵

https://blog.csdn.net/u011699626/article/details/112395005
https://blog.csdn.net/wuli_dear_wang/article/details/87365991

.*和*

• .*：是点乘运算，会使左右两边矩阵的对应元素一一相乘；
  用于矩阵间对应元素的相乘，或数与数之间，数与矩阵之间的相乘。
• *：矩阵相乘，或数与数相乘

https://zhidao.baidu.com/question/1897348588279962260.html
http://blog.sina.com.cn/s/blog_4bcac6b40102yqbs.html
https://blog.csdn.net/kebu12345678/article/details/80951804?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2~default~CTRLIST~default-1.no_search_link&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2~default~CTRLIST~default-1.no_search_link

matlab中的运算符

1. https://ww2.mathworks.cn/help/matlab/matlab_prog/matlab-operators-and-special-characters.html
2. https://blog.csdn.net/jk_101/article/details/110854911
3. https://www.cnblogs.com/bky-lx/p/10519924.html
4. https://www.cnblogs.com/shenxiaolin/p/6829180.html
5. https://blog.csdn.net/weixin_39731782/article/details/111202881
6. https://blog.csdn.net/qq_33523925/article/details/86147542

ones

Create array of all ones（看文档）

regress

多元线性回归Multiple linear regression（看文档）

https://ww2.mathworks.cn/help/stats/regress.html
https://blog.csdn.net/guzhenping/article/details/43314333
https://www.jb51.net/softjc/587991.html
https://www.cnblogs.com/hechangchun/p/12123189.html

size

Array dimensions（看文档）

mean

Average or mean value of array（看文档）