.mexmaci64 mac

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Samuel L. Polk
Samuel L. Polk 2020-12-5
评论： Walter Roberson 2021-8-18
Hello,
I am using someone else's toolbox in MATLAB, which contains .mexmaci64 files. I downloaded it from the internet on my computer (Mac OS Big Sur, fully updated). When I try to use these files though, I get the following error message (from Finder):
"findwithinMEX.mexmaci64” cannot be opened because it is from an unidentified developer." macOS cannot verify that this app is free from malware."
If I go into System Preferences and allow MATLAB too open the file anyways, I get the following error from MATLAB:
Error using open (line 136)
Cannot edit the MEX-file
I think that it's likely that I haven't set up MEX files correctly in MATLAB. But I wanted to see if anyone else has any guidance about how to do so. Thank you.
  2 个评论
Maria Giulia Preti
Maria Giulia Preti 2021-2-25
I have the same problem. The solution below didn't work. Did you find a solution?
Samuel L. Polk
Samuel L. Polk 2021-2-25
Walter's solution worked well for me.

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Walter Roberson
Walter Roberson 2020-12-5
编辑：Walter Roberson 2021-2-25
You tried to double click the file in Finder to open it.
mex files are not source code. You need special tools to examine their content, such as otool https://www.unix.com/man-page/osx/1/otool/
They are not encrypted or anything like that: they are a structured binary file that contains machine code ready to be loaded into memory and executed by the CPU.
To use them from MATLAB you make sure that the file is along your MATLAB path and then you just call the function, passing appropriate arguments in, just as if it were a MATLAB function
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Bill Tubbs
Bill Tubbs 2021-8-18
编辑：Bill Tubbs 2021-8-18
Okay, with a bit of sleuthing I realised that the developer has provided matlab function scripts for all the mex functions so all I needed to do was go through the code and change the function calls from jm_fit_mex to jm_fit etc. and it runs now (albeit probably slower than with the MEX files).
Still, does anyone know how to 'approve' a MEX file on Mac OS X so that I can take the risk and use it?

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