how find mex file

我已经成功安装了matlab2012a与SDK7.1按照别人的帖子，但是我运行时一直出现

</matlabcentral/answers/uploaded_files/21439/QQ%E6%88%AA%E5%9B%BE20141121082722.png> ，我始终不能找到mex文件。我运行程序时也是不行，就是找不到文件，谁能帮助我一下，谢谢！

[Jingyao]

Answer 1

[Image Analyst]

You need to give mex a filename as an input argument. According to the error message, you did not provide a file for it to compile.

[Jingyao]

can you give me a detailed process? thank u

[Jingyao]

how to give mex a filename? I am a fish,please help me! thank u