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Re: Abs and Sign anomolies

• To: mathgroup at smc.vnet.net
• Subject: [mg7485] Re: Abs and Sign anomolies
• From: hans.steffani at e-technik.tu-chemnitz.de (Hans Steffani)
• Date: Thu, 5 Jun 1997 01:36:49 -0400 (EDT)
• Organization: University of Technology Chemnitz, FRG
• Sender: owner-wri-mathgroup at wolfram.com

Michael Hucka <hucka at eecs.umich.edu> writes:

>  HS> My system delivers: In[1] Abs[Sign[x]] // Simplify Out[1] Abs[Sign[x]]
>  HS> and
>  HS> In[2] Abs[Sign[0]] Out[2] 1

>Did you try this on a UNIX system?  Jack Goldberg specifically mentioned that
>the problem exists in the UNIX implementation, not on other platforms.

Sorry, it is on Mathematica 2.2 for Windows.

h.f.s.
--
Hans Friedrich Steffani
Institut fuer Elektrische Maschinen und Antriebe, TU Chemnitz-Zwickau
mailto:hans.steffani at e-technik.tu-chemnitz.de
http://www.tu-chemnitz.de/~hfst/