I - alpha*D*F)**-1.

</PRE>
<A name="Numerical Aspects"><B><FONT SIZE="+1">Numerical Aspects</FONT></B></A>
<PRE>
  The accuracy of computations basically depends on the conditioning
  of the matrix I - alpha*D*F. If RCOND is very small, it is likely
  that the computed results are inaccurate.

</PRE>

<A name="Comments"><B><FONT SIZE="+1">Further Comments</FONT></B></A>
<PRE>
  None
</PRE>

<A name="Example"><B><FONT SIZE="+1">Example</FONT></B></A>
<P>
<B>Program Text</B>
<PRE>
*     AB05RD EXAMPLE PROGRA