ref="#7">Calling generic function on nodes content</a></li><li><a href="#9">Misc functions</a></li></ul></div><p>I did my best to stick with the MATLAB touch when designing the <tt>tree</tt> class. As a result, you can use trees as if they were regular MATLAB arrays. Most of the standard operators are implemented, and have their element-wise meaning, with scalar expansion if needed. For instance:</p><pre class="codeinput"><span class="comment">% Grab the duration example tree, which holds only numerical dat