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<a name="Functions-and-Scripts-1"></a>
<h2 class="chapter">11 Functions and Scripts</h2>
<a name="index-defining-functions"></a>
<a name="index-user_002ddefined-functions"></a>
<a name="index-functions_002c-user_002ddefined"></a>
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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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