文档上面是这样教的：The installation of the package is quite straightforward. The downloaded zip file contains several m files and a few .txt files with the data used in the example. In order to use the main functions, all you need to do is to tell Matlab to place the files from the m Files folder in the search path. This is done with the command:
addpath('m Files');
我是直接在matlab上面输入命令，显示： addpath('m_Files')
警告: 名称不存在或不是目录: m_Files
> In path (line 109)
  In addpath (line 88)

求大神指导，问题出在哪 啊？？是不是还需要什么另外的操作？？