span class="comment">% bestg:&#26368;&#20339;&#30340;&#21442;&#25968;g</span>

<span class="comment">% about the parameters of SVMcgForRegress</span>
<span class="keyword">if</span> nargin &lt; 10
    msestep = 0.1;
<span class="keyword">end</span>
<span class="keyword">if</span> nargin &lt; 7
    msestep = 0.1;
    v = 3;
    cstep = 1;
    gstep = 1;
<span class="keyword">end</span>
<span class="keyword">if</span> nargin &lt; 6
    msestep = 0.1;
    v = 3;
    cstep = 1;
    gstep = 1;
    gmax = 5;
<spa