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MathGroup Archive 1997

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Re: How to make Mathematica to return "Log[Exp[x]]" as x?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg5697] Re: How to make Mathematica to return "Log[Exp[x]]" as x?
  • From: allman at pat.mdc.com (Mark Allman )
  • Date: Sat, 11 Jan 1997 14:29:01 -0500
  • Organization: McDonnell Douglas, Houston Division
  • Sender: owner-wri-mathgroup at wolfram.com

In article <5atshi$ssn at dragonfly.wolfram.com>, chengli at uab.edu (Cheng Li) writes:
|> Dear friends, suppose x is a variable and when I type "Log[Exp[x]]" and then 
|> enter, Mathematica gives me "Log[Exp[x]]" back. Could you please tell me how 
|> to let Mathematica to return "Log[Exp[x]]" as x?
|> Thank you very much.
|> Cheng Li
|> chengli at uab.edu
|> 
|> 
|> 
|> 

Try:
     Log[ Exp[x] ] // N

-- Mark Allman
-- Sr. Engineer, McDonnell Douglas Aerospace,  allman at pat.mdc.com
-- Software consulting (Perl, C, Python, ...), ghost at ghost.neosoft.com
-- (see: http://pup.princeton.edu/titles/5857.html)


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