     <span class="keyword">if</span> im, N.m=A{im}; <span class="keyword">else</span> N.m=zeros(nm,1); <span class="keyword">end</span>
0109     <span class="keyword">if</span> in, N.n=A{in}; <span class="keyword">else</span> N.n=zeros(nm,1); <span class="keyword">end</span>
0110     <span class="keyword">if</span> ir, N.r=A{ir}; <span class="keyword">end</span>
0111     <span class="keyword">if</span> irho, N.rho=A{irho}; <span class="keyword">end</span>
0112     <span class="keyword">if</span> iip, N.ip=A