MATLAB: How to solve Invalid MEX-file

invalid mex file

Hello.

When I use the below code, I got this error.

Can I get an idea to solve the problem?

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I was able to work around parts of the problem by copying libraries into appropriate places. However, I then get

 Symbol not found: _mxGetDimensions_700

When I check into that, I see that the code has been compiled for 32 bit MATLAB, which has not been available on Mac for some time, and will absolutely not run on Catalina (the operating system you have.)

I have just now sent a message to the author of the program about the difficulty.

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MATLAB: When using mex files, cannot find libraries

With MacOS Sierra, you are affected to Apple's changes to disable most uses of DYLD_LIBRARY_PATH . See https://github.com/nteract/nteract/issues/1523

MATLAB: What environment variable is used to specify the search path for loading shared libraries into MATLAB on the Mac OS X

This bug has been fixed for Release 14 (R14). For previous releases, please read below for any possible workarounds:

The LD_LIBRARY_PATH environment variable is not valid for use on the Mac OS X. The correct equivalent variable is DYLD_LIBRARY_PATH and it should be set to the directory location of the MATLAB Math and Graphics libraries. You set this environment variable by doing the following shell command prior to running your executable:

Determine what shell you are using:

 echo $SHELL

Look for bash, or tcsh.

If bash:

 export DYLD_LIBRARY_PATH=$MGLINSTALLER/bin/mac/:$DYLD_LIBRARY_PATH

If tcsh:

 setenv DYLD_LIBRARY_PATH $MGLINSTALLER/bin/mac/:$DYLD_LIBRARY_PATH

where $MGLINSTALLER represents the MGLINSTALLER installation directory.

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Related Solutions

MATLAB: When using mex files, cannot find libraries

MATLAB: What environment variable is used to specify the search path for loading shared libraries into MATLAB on the Mac OS X

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