How to write and use mex files for Matlab

Howto use predefined mexfiles

A range of mexfiles is predefined in directory library/mex. Many of these mexfile process ui files (see User Infos and their use) examples of these files are in directory library/tutorial. Note that in order to run these files you need to let matlab know where to find them:
>> addpath path_to_bdm/library/mex

Then, you can go to library/tutorial and run e.g. arx_test_mex.

Howto write custom mex file

Due to special nature of the mex files, the mex file can be split in three parts: The first and the third part is achieved using prepared IT++ routines, see IT++ documentation.

Script ./buildmex is prepared to compile and link the mexfile with bdm.

$ ./buildmex.sh my_mex_file.cpp
on Linux, or
$ ./buildmex.bat my_mex_file.cpp
on Windows.

Example of a mexfile:


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