MATLAB Programming

12 Programming Tips
File Precedence
If you refer to a file by its filename only (leaving out the file extension), and
there is more than one file of this name in the directory, MATLAB selects the
file to use according to the following precedence:
1 MEX-file
2 MDL-file (Simulink ® model)
3 P-Code file
4 M-file
For more information: See “Multiple Implementation Types” on page 4-56
in the MATLAB Programming documentation.
Adding a Directory to the Search Path
To add a directory to the search path, use either of the following:
• At the toolbar, select File > Set Path.
• At the command line, use the addpath function.
You can also add a directory and all of its subdirectories in one operation
by either of these means. To do this from the command line, use genpath
together with addpath. The online help for the genpath function shows how
to do this.
This example adds /control and all of its subdirectories to the MATLAB path:
addpath(genpath('K:/toolbox/control'))
For more information: See Search Path in the MATLAB Desktop Tools and
Development Environment documentation.
Handles to Functions Not on the Path
You cannot create function handles to functions that are not on the MATLAB
path. But you can achieve essentially the same thing by creating the handles
through a script file placed in the same off-path directory as the functions.
12-36