eous&nbsp;quadratic&nbsp;kernel&nbsp;(x'*y)^2.</span><br>
<span class=help>%&nbsp;&nbsp;</span><br>
<span class=help>%&nbsp;<span class=help_field>Input:</span></span><br>
<span class=help>%&nbsp;&nbsp;model.Alpha&nbsp;[nsv&nbsp;x&nbsp;1]&nbsp;Weights&nbsp;of&nbsp;kernel&nbsp;expansion.</span><br>
<span class=help>%&nbsp;&nbsp;model.b&nbsp;[scalar]&nbsp;Bias.</span><br>
<span class=help>%&nbsp;&nbsp;model.sv.X&nbsp;[dim&nbsp;x&nbsp;nsv]&nbsp;Support&nbsp;vectors.</span><br>
<span class=help>%&nbsp;&nbsp;mod