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<span id="Functions-and-Scripts-1"></span><h2 class="chapter">11 Functions and Scripts</h2>
<span id="index-defining-functions"></span>
<span id="index-user_002ddefined-functions"></span>
<span id="index-functions_002c-user_002ddefined"></span>
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<p>Complicated Octave programs can often be simplified by defining functions.
Functions can be defined directly on the command line during interactive
Octave sessions, or in external files, and can be called just like built-in
functions.
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