, add the demo
path with <code>vl_setup demo</code>. For example, a sift demo
<code>vl_demo_sift_basic</code> can be run using the following:</p>

<precode type='matlabsession'>
>> vl_setup demo

>> vl_demo_sift_basic
</precode>

<p>To see a list of demos TAB-complete <code>vl_demo</code> at MATLAB
prompt, after running <code>vl_setup demo</code>.</p>

</group>
