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copied!<p>One suggestion, which would avoid having to modify the <a href="http://www.mathworks.com/help/techdoc/ref/path.html" rel="nofollow noreferrer">MATLAB path</a>, is to use a <a href="http://www.mathworks.com/help/matlab/matlab_prog/private-functions.html" rel="nofollow noreferrer">private function directory</a>. For example:</p> <p>Let's say you have a function called <code>test.m</code> in the directory <code>\MATLAB\temp\</code> (which is already on the MATLAB path). If there are local functions in <code>test.m</code> that you want to place in their own m-files, and you only want <code>test.m</code> to have access to them, you would first create a subdirectory in <code>\MATLAB\temp\</code> called <code>private</code>. Then, put the individual local function m-files from <code>test.m</code> in this <code>private</code> subdirectory.</p> <p>The <code>private</code> subdirectory doesn't need to be added to the MATLAB path (in fact, it <em>shouldn't</em> be added to the path for things to work properly). Only the file <code>test.m</code> and other m-files in the directory immediately above the <code>private</code> subdirectory have access to the functions it contains. Using private functions, you can effectively emulate the behavior of <a href="http://www.mathworks.com/help/matlab/matlab_prog/local-functions.html" rel="nofollow noreferrer">local functions</a> (i.e. limited scope, function overloading, etc.) without having to put all the functions in the same m-file (which can get very big for some applications).</p>

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