s used (W = I);
          = 'R':  only right weighting W is used (V = I);
          = 'B':  both left and right weightings V and W are used.

</PRE>
<B>Input/Output Parameters</B>
<PRE>
  N       (input) INTEGER
          The order of the state-space representation of G, i.e.,
          the order of the matrix A.  N &gt;= 0.

  M       (input) INTEGER
          The number of columns of the matrix B and
          the number of rows of the matrices CW and DW.  M &gt;= 0.
          M represents the dimension o