&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x(n)*x(n)]
</span><br>
<span class=help>%
</span><br>
<span class=help>%&nbsp;&nbsp;out_data&nbsp;=&nbsp;qmap(in_data)&nbsp;use&nbsp;to&nbsp;map&nbsp;labeled&nbsp;data&nbsp;such&nbsp;that
</span><br>
<span class=help>%&nbsp;&nbsp;&nbsp;&nbsp;out_data.X&nbsp;=&nbsp;qmap(in_data.X)
</span><br>
<span class=help>%&nbsp;&nbsp;&nbsp;&nbsp;out_data.y&nbsp;=&nbsp;in_data.y
</span><br>
<span class=help>%
</span><br>
<span class=help>