安天宇Terence的专栏

1. 首先安装Matlab，教程很多不赘述了。2. 新建个Qt工程，

1. 用Ctrl+/在(defun comment-or-uncomment-region-or-line()  "Comments or uncomments the region or the current line if there's no active region."  (interactive)  (let (beg end)    (if (region-ac