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         <h2>Appendix 4, Definition of PMI input format<a name="20"></a></h2>
         <p>The user needs to prepare a structure <tt>pmidata</tt> that stores data for the following problem
         </p><pre>  min   c'x + 1/2 x'Hx
  s.t.  lbg &lt;= B*x &lt;= ubg
        lbx &lt;=  x  &lt;= ubx
        A_k(x)&gt;=0     for k=1,..,Na</pre><p>where</p><pre>        A_k(x) = sum_i  x(multi-index(i))*Q_i</pre><p>for example</p><pre>        A_k(x) = Q_1 