</span> (length(cdata)==1) cdata = zeros(n,1); <span class="keyword">end</span>;
0037 showdata = (fit.evaluation_structure.derivative==0);
0038 ppargs = {};
0039 plotargs = {};
0040 
0041 type = <span class="string">'s'</span>;
0042 na = 2;
0043 <span class="keyword">while</span> na &lt;= length(varargin)
0044   inc = 0;
0045   <span class="keyword">if</span> (strcmp(varargin{na},<span class="string">'contour'</span>))
0046     type = <span class="string">'c'</span>;
0047     inc = 1;
0048   <sp