Mex file matlab download

Since binaries are sometimes not compatible across different versions of macOS and due to increasing security measures of Apple, some extra work might be required to get MTEX running on macOS.

library load disallowed by system policy

If you experience the following error message

you can either download MTEX with a command line tool such as or

or, if you have downloaded MTEX with a browser, type in Matlab

Unable to compile mex files during startup_mtex

If you (still) get the following error, you will need to recompile the mex files on your own. MTEX tries to perform the compilation automatically. However, in some case you might experience error messages like

or

1. Make sure that after upgrading your system, to also upgrade (via appstore) and install the command line tools and accept the licence by
2. You might need to modify the compiler options used by Matlab. The configuration file can be found by the command

   The exact file name depends on the compiler installed on your system, e.g. . Within the configuration file change the lines

to

and do from within Matlab

Now will hopefully run without any trouble.

Compiling the nfft

1. Install gcc with openmp and libtools

Using homebrew is probably the easiest

2. Get nfft source from github

3. Set the compilation parameters

The path to gcc and matlab depends on your system and should be set accordingly

or if for some reason you can not use openMP

4. Compile the nfft

5. Link the nfft

The easists way is to make out of the following lines an executable shell script. Please do not forget to include the definitions of gcc and Matlab pathes from above

the vesion without

6. Copy the generated mex-files into the MTEX installation

for mtex, copy the two files

into your mtex installation into

or