<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    <pre>

Duh pre second cup of coffee<i>.  Should be
</i>
      
    df1b2vector tmp=solve(varcov,diff,ld,sgn);
    nLL+=.5*(nobs*log(2*M_PI)+ld+ tmp*diff);

</pre>
  </body>
</html>