lass="string">'_'</span>,date(10:15)];
0382     <span class="keyword">if</span>(exist(vname1) == 0 | exist(vname2)==0)
0383         <span class="comment">%fprintf('variable frame %s\n does not exist',vname)</span>
0384     <span class="keyword">else</span>
0385         var1 = eval(vname1)';
0386         var2 = eval(vname2)';
0387         var  = var1./var2;
0388         <span class="keyword">if</span> (isforcing == 1); var(badpts) = 0.; <span class="keyword">end</span>;
0389         nc{<span class="string">'