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Re: Log[x]//TraditionalForm

  • To: mathgroup at smc.vnet.net
  • Subject: [mg96081] Re: Log[x]//TraditionalForm
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 4 Feb 2009 05:21:29 -0500 (EST)
  • Organization: Uni Leipzig
  • References: <gm99vi$9d$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de

Hi,

Unprotect[Log]
Log /: MakeBoxes[Log[x_], TraditionalForm] :=
  RowBox[{"ln", "(", MakeBoxes[x, TraditionalForm], ")"}]
Protect[Log]

Regards
   Jens

slawek wrote:
> The natural logarithm function in "traditional form" in Mathematica (version 
> 6.0.2.0)
> 
>   Log[x]//TraditionalForm
>   log(x)
> 
> This is "not a bug but a feature", but in mathematics the natural logarithm 
> is just ln(x) or even ln x.
> The true traditional notation use log for decimal logarithm, ln for natural 
> logarithm, lb for binary logarithm, and
> log_{b}x  for logarithm with base b. Unfortunatelly in most computer 
> programs (see FORTRAN) LOG
> stands for natural logarithm (an exception is Pascal).
> 
> Nevertheless, how to force to use ln(x) instead log(x) ?
> 
> The brute way is use /.Log->ln//TraditionalForm.
> 
> Is any more elegant way to do this?
> 
> slawek
> 
> 


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