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MathGroup Archive 1999

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Re: Re: Bug?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg16020] Re: [mg15854] Re: Bug?
  • From: dreissBLOOP at bloop.earthlink.net (David Reiss)
  • Date: Sat, 20 Feb 1999 02:52:08 -0500
  • Organization: EarthLink Network, Inc.
  • References: <7ag8o4$84m$7@dragonfly.wolfram.com> <7aj7hd$igj@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com



In article <7aj7hd$igj at smc.vnet.net>, nfares at aol.com-noauto (NFares) wrote:

> I also get the same response, specifically:
> 
> Integrate[Exp[x]/Log[x], x]
> 
> Log::argt: Log called with 0 arguments; 1 or 2
>      arguments are expected.
> 
> I'm running Mathematica 3.0.1.1.x (front end) and 3.0 (kernel) on a Power
> Macintosh G3.
> 
> A workaround that I've found is to type:
> 
> Integrate[ Exp[x] / Log[x,E], x ] // InputForm
> 
> -ExpIntegralEi[x] + E^x*Log[x]
> 
> It seems the problem may be localized to Macintosh OSes.
> 
> =======================================
> Nabil Fares
> Imagineering LLC
> Mechanics with Mathematica
> tel/fax: 718-491-9102
> NFares at ImagineeringLLC.com
> http://www.imagineeringLLC.com/
> =======================================


Hi Nabil,


I think that you wanted Integrate[ Exp[x] / Log[E,x], x ] rather
than Integrate[ Exp[x] / Log[x,E], x ] and the latter returns
the same incorrect error messages as before.  The problem also
seems to be cross platform (I see it on both my Mac
and Windows NT machines). Its a bug.


Regards,

David

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