From: peterxpercival@hotmail.com   
      
   Is there free software that will draw Nyquist plots of linear DEs?  I'm   
   hoping for o/p of an image file that I can embed in TeX.   
   --   
   Do, as a concession to my poor wits, Lord Darlington, just explain   
   to me what you really mean.   
   I think I had better not, Duchess.  Nowadays to be intelligible is   
   to be found out. -- Oscar Wilde, Lady Windermere's Fan   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)