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Abs[x] function
- To: mathgroup at smc.vnet.net
- Subject: [mg87816] Abs[x] function
- From: Vladislav <kazimir04 at yahoo.co.uk>
- Date: Fri, 18 Apr 2008 02:37:15 -0400 (EDT)
Who can explain the behavior. THe derivative Abs[x] at x=.5 is well
defined and is equal to 1.
In[1]:= D[Abs[x], x]
Out[1]=
\!\(\*SuperscriptBox["Abs", "\[Prime]",
MultilineFunction->None]\)[x]
In[2]:= % /. x -> .5
Out[2]=
\!\(\*SuperscriptBox["Abs", "\[Prime]",
MultilineFunction->None]\)[0.5]
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