= 0).

</PRE>
<A name="Arguments"><B><FONT SIZE="+1">Arguments</FONT></B></A>
<P>

<B>Mode Parameters</B>
<PRE>
  DICO    CHARACTER*1
          Specifies the type of the system as follows:
          = 'C':  continuous-time system;
          = 'D':  discrete-time system.

  JOBN    CHARACTER*1
          Specifies the norm to be computed as follows:
          = 'H':  the H2-norm;
          = 'L':  the L2-norm.

</PRE>
<B>Input/Output Parameters</B>
<PRE>
  N       (input) INTEGER
          The order of the ma