eyword">end</span>
0061 
0062   <span class="comment">% block of linear constraints stored in 'pen' in the form Bx&lt;=c</span>
0063   <span class="keyword">if</span> (isfield(pen,<span class="string">'constr'</span>) &amp;&amp; ~isempty(pen.constr) &amp;&amp; pen.constr&gt;0)
0064     <span class="keyword">if</span> (~isfield(pen,<span class="string">'bi_dim'</span>) || ~isfield(pen,<span class="string">'bi_idx'</span>) || <span class="keyword">...</span>
0065       ~isfield(pen,<span class="string">'bi_va