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Internet Message Format  |  1992-11-17  |  773 b 
  1. Path: sparky!uunet!ogicse!uwm.edu!spool.mu.edu!umn.edu!csus.edu!sfsuvax1.sfsu.edu!psalzman
  2. From: psalzman@sfsuvax1.sfsu.edu (Peter Salzman)
  3. Newsgroups: sci.math
  4. Subject: Re: Arch algorithm
  5. Message-ID: <1992Nov16.224556.9922@csus.edu>
  6. Date: 16 Nov 92 22:45:56 GMT
  7. Article-I.D.: csus.1992Nov16.224556.9922
  8. References: <1992Nov15.023738.29429@osuunx.ucc.okstate.edu>
  9. Sender: news@csus.edu
  10. Organization: California State University, Sacramento
  11. Lines: 16
  12.  
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  15. I think I know what you're talking about.  I forget what the engineers
  16. call it, but I think you're referring to the hypercosine function:
  17.  
  18.              x     -x 
  19.             e  +  e
  20.    f(x) =   -------
  21.                2
  22.  
  23.  
  24. This function describes the shape of the curve made by any flexable wire
  25. held at 2 points.
  26.  
  27.  
  28. peter
  29.