<br>
<span class=help>&nbsp;&nbsp;&nbsp;.sv.X&nbsp;[dim&nbsp;x&nbsp;nsv]&nbsp;Data&nbsp;determining&nbsp;the&nbsp;center.</span><br>
<span class=help>&nbsp;&nbsp;&nbsp;.Alpha&nbsp;[nsv&nbsp;x&nbsp;1]&nbsp;Data&nbsp;weights.</span><br>
<span class=help>&nbsp;&nbsp;&nbsp;.r&nbsp;[1x1]&nbsp;Radius&nbsp;of&nbsp;the&nbsp;minimal&nbsp;enclosing&nbsp;ball.</span><br>
<span class=help>&nbsp;&nbsp;&nbsp;.b&nbsp;[1x1]&nbsp;Squared&nbsp;norm&nbsp;of&nbsp;the&nbsp;center&nbsp;equal&nbsp;to&nbsp;Alpha'*K*Alpha.</span><b