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Re: What characters are allowed in mathematica variable names? i.e. how

  • To: mathgroup at smc.vnet.net
  • Subject: [mg126056] Re: What characters are allowed in mathematica variable names? i.e. how
  • From: A Retey <awnl at gmx-topmail.de>
  • Date: Sat, 14 Apr 2012 03:08:24 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com

Hi,


> Are there any characters that are simply in the ASCII set and hence won't
> expand to something complicated when I use a .m file or use mathematica on
> the commandline?

no, AFAIK there is only $ that could be used as that. But that has the 
disadvantage that it is used by Mathematica itself to create unique 
symbol names for lexical scoping with Module (and some other places) and 
thus needs to be used with care (or probably not at all): you would have 
to make sure that the names you create don't interfere with anything 
that Mathematica could create, e.g. x$12 would be a very bad choice 
since Module[{x},x] will create exactly such symbols.

hth,

albert



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