  fis=fis(1);utok=tok(fis+1:end);tok=tok(1:fis-1); 
0033         <span class="keyword">end</span>
0034         fprintf(<span class="string">'%s '</span>,tok)
0035         <span class="keyword">switch</span> lower(tok),
0036             <span class="keyword">case</span> <span class="string">'x'</span>, ix=i;
0037             <span class="keyword">case</span> <span class="string">'y'</span>, iy=i;
0038             <span class="keyword">case</span> <span class="string">'z'</span>, iz=i;
0039             <span 