Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2001
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2001

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: newbie question about the symbol E

  • To: mathgroup at smc.vnet.net
  • Subject: [mg28324] Re: newbie question about the symbol E
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 11 Apr 2001 02:01:02 -0400 (EDT)
  • Organization: Universitaet Leipzig
  • References: <9arn5o$qna@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

it's not possible to use E but you many use \[ScriptCapitalE] instead
that fit to the physical usual notation of the kinetic energy and the
Lagrangian :-)

Regards
  Jens

"Martin P. Pos" wrote:
> 
> I want to declare a function of energy E, say f[E], but mathematica doesn't
> allow me to use E as a symbol, because it is reserved for the exponential
> constant. In the frontend I use <esc>ee<esc> to enter that exponential
> constant, but i want E to be the variable of this function.
> 
> Similar, I can declare a constant, e.g.:
> 
> Subscript[E, F] := 10
> 
> But when I do:
> 
> Clear[Subscript[E, F]]
> 
> mathematica responds:
> 
> "Clear::ssym : eF is not a symbol or string"
> 
> where eF is the exponential constant, subscript F.
> 
> I want to enter the following formula:
> 
> f[x_] := 1/(1 + E^((Subscript[x, F] - x)/(k*T)))
> 
> where E should be the exponential constant and x should be E (capital e)
> 
> Is there a way to do what I want, or is it not possible to use E?
> 
> Regards, Martin P. Pos


  • Prev by Date: Re: Laplace Transforms of piecewise continuous functions
  • Next by Date: Re: newbie question about the symbol E
  • Previous by thread: newbie question about the symbol E
  • Next by thread: Re: newbie question about the symbol E