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Text File  |  1992-08-25  |  1.2 KB  |  30 lines
  1. Newsgroups: sci.math.num-analysis
  2. Path: sparky!uunet!usc!cs.utexas.edu!torn!watserv2.uwaterloo.ca!watserv1!cape.UWaterloo.ca!alongley
  3. From: alongley@cape.UWaterloo.ca (Allan Longley)
  4. Subject: Problem with NAG D02EBF stiff systems routine (help)
  5. Message-ID: <BtK3xJ.253@watserv1.uwaterloo.ca>
  6. Originator: alongley@cape.UWaterloo.ca
  7. Sender: news@watserv1.uwaterloo.ca
  8. Organization: University of Waterloo
  9. Date: Tue, 25 Aug 1992 20:36:54 GMT
  10. Lines: 18
  11.  
  12. Hello, I hope you can help.
  13.  
  14. I am using the NAG library routine for integrating a stiff system of
  15. ordinary differential equations D02EBF.  The routine is called multiple 
  16. times in the code with the same initial state, but is returning different 
  17. answers ...  very different answers!  I even reset the work-space array
  18. W(iw) before each use of D02EBF.
  19.  
  20. I am programming in FORTRAN77 with NAG Mark14B in AIX on an IBM R6000.  
  21.  
  22. This is not good.  Can you help?  Please.
  23.  
  24. -----------------------------------------------------------------------------
  25. Allan Longley, University of Waterloo, Department of Chemical Engineering
  26. e-mail: alongley@cape.uwaterloo.ca
  27. voice: (519) 885-1211 x3816
  28. home: (519) 746-5747
  29. ------------------------------------------------------------------------------
  30.