in &lt; 4 || isempty(fscorr); fscorr=0; <span class="keyword">end</span>;
0064 
0065 <span class="keyword">if</span> nargout &gt; 7 &amp;&amp; err(1)==0;
0066 <span class="comment">%Cannot compute error bars if err(1)=0. Need to change params and run again.</span>
0067     error(<span class="string">'When errors are desired, err(1) has to be non-zero.'</span>);    
0068 <span class="keyword">end</span>;
0069 <span class="keyword">if</span> nargout &gt; 9 &amp;&amp; err(1)~=2; 
0070     error(<span class="st