Compiled Matlab Stand Alone app does not find a mex file

11 次查看（过去 30 天）
youngz
youngz 2021-1-31
回答： Shivam Lahoti 2025-3-10
Hi there,
I have developed a matlab app which uses a set of external functions. In turn, one of these functions uses the Screen function of Pyschtoolbox package. When I use the build in Run of matlab (to test the app) everything works fine. However, when I compile the app and I install it as stand alone, it does not work.
Then, with a try catch, I have printed the error in a text area:
MATLAB:mex:ErrInvalidMEXFile -- Invalid MEX-file 'C:\Users\myusername\AppData\Local\Temp\myusername\mcrCache9.8\myapp0\myapp\Screen.mexw64': Cannot find the specified module.
I have added the Screen.mexw64 to the list of "Files required for your application to run" and, indeed, if I look in the above mentioned path, I am able to find the Screen.mexw64 file.
Have you any solution?
Thanks :)
  3 个评论
显示 1更早的评论
youngz
youngz 2021-1-31
编辑：youngz 2021-1-31
There is a way to identify the dependencies of a specific mex function?

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

Shivam Lahoti
Shivam Lahoti 2025-3-10
Hi youngz,
I understand you are getting a "MATLAB:mex:ErrInvalidMEXFile" error.
I can see a probable solution discussed in comments. However, this could be two of the possible solutions as well:
  1. If the application functions correctly on the computer where the MEX-file was compiled but not on another machine, consider recompiling the MEX-file on the new machine.
  2. This error may also occur if the Visual C++ redistributable is missing, leading to a dependency issue.
To identify missing library dependencies, download "Dependency Walker" from the following link: http://www.mathworks.com/help/matlab/matlab_external/invalid-mex-file-error.html
Install one of the supported versions of the compiler (Microsoft Visual C++ only) on the machine, which will automatically install the redistributable. You can find the list of supported compilers here: https://www.mathworks.com/support/requirements/supported-compilers.html
I hope this would be helpful to resolve this and similar queries.
Regards,
Shivam.

类别

在 Help Center 和 File Exchange 中查找有关 MATLAB Compiler 的更多信息

标签

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by