n>{1}),<br>
&nbsp;&nbsp;<span class=keyword>switch</span>&nbsp;<span class=stack>varargin</span>{1},<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class=label>case</span>&nbsp;<span class=quotes>'Dn'</span>,&nbsp;Dn;<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class=label>case</span>&nbsp;<span class=quotes>'Up'</span>,&nbsp;Up;<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class=label>case</span>&nbsp;<span class=quotes>'Plot'</span>,&nbsp;Plot;<br>
&nbsp;&nbsp;<span class=keyword>end</span><br>
<span class=keyword>else</span><br>
&nbsp;&n