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Text File  |  1992-11-09  |  958 b   |  25 lines
  1. Newsgroups: sci.math
  2. Path: sparky!uunet!utcsri!helios.physics.utoronto.ca!alchemy.chem.utoronto.ca!mroussel
  3. From: mroussel@alchemy.chem.utoronto.ca (Marc Roussel)
  4. Subject: Re: Simple Diff Eq
  5. Message-ID: <1992Nov9.154558.6261@alchemy.chem.utoronto.ca>
  6. Organization: Department of Chemistry, University of Toronto
  7. References: <13390031@hpspdla.spd.HP.COM> <1992Nov8.191725.14856@athena.mit.edu>
  8. Date: Mon, 9 Nov 1992 15:45:58 GMT
  9. Lines: 14
  10.  
  11. In article <1992Nov8.191725.14856@athena.mit.edu> frisch1@athena.mit.edu
  12. (Jonathan Katz) writes:
  13. >In article <13390031@hpspdla.spd.HP.COM>, ric@hpspdla.spd.HP.COM
  14. >(Ric Peregrino) writes:
  15. >|> df(x)/dx - 1/f(x) = 0
  16. >
  17. >I don't know what kind of information  you're looking for, but the answer is 
  18. >f(x)=(2x)^.5 
  19.  
  20.      Careful there!  That should be f(x) = sqrt(2x + c) where c is
  21. chosen to satisfy the initial or boundary conditions.
  22.  
  23.                 Marc R. Roussel
  24.                                 mroussel@alchemy.chem.utoronto.ca
  25.