How can I generate a list of function dependencies in MATLAB?

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For newer releases of Matlab (eg 2007 or 2008) you could use the built in functions:

  1. mlint
  2. dependency report and
  3. coverage report

Another option is to use Matlab’s profiler. The command is profile, it can also be used to track dependencies. To use profile, you could do 

>> profile on   % turn profiling on
>> foo;         % entry point to your matlab function or script
>> profile off  % turn profiling off
>> profview     % view the report

If profiler is not available, then perhaps the following two functions are (for pre-MATLAB 2015a):

  1. depfun
  2. depdir

For example, 

>> deps = depfun('foo');

gives a structure, deps, that contains all the dependencies of foo.m.

From answers 2, and 3, newer versions of MATLAB (post 2015a) use matlab.codetools.requiredFilesAndProducts instead.

See answers

EDIT:

Caveats thanks to @Mike Katz comments

  • Remember that the Profiler will only
    show you files that were actually used
    in those runs, so if you don’t go
    through every branch, you may have
    additional dependencies. The
    dependency report is a good tool, but
    only resolves static dependencies on
    the path and just for the files in a
    single directory.

  • Depfun is more reliable but gives you
    every possible thing it can think of,
    and still misses LOAD’s and EVAL’s.

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