   </p>
         <p><b><tt>pen2bmi</tt></b> converts input structure <tt>pen</tt> for PENBMI (as described  in PENOPT/PENBMI manual Section 5.2) into a structure accepted by  PENLAB via BMI or PMI modules.
         </p>
         <p><b><tt>sed2pen</tt></b> converts SeDuMi input into PENBMI input structure <tt>pen</tt> (as  described in PENOPT/PENBMI manual Section 5.2).
         </p>
         <p><b><tt>packmat</tt></b> is used for the vectorization of a symmetric matrix. It assumes a symmetric matrix on inpu