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Re: Sorting a list of symbols

  • To: mathgroup at smc.vnet.net
  • Subject: [mg116835] Re: Sorting a list of symbols
  • From: Yves Klett <yves.klett at googlemail.com>
  • Date: Wed, 2 Mar 2011 04:32:41 -0500 (EST)
  • References: <ikihp7$7tc$1@smc.vnet.net>

Hi,

something like:

SortBy[{v999, v1, v2, v3, v10, v4, v0},
 ToExpression[StringCases[ToString[#], NumberString]] &]

{v0, v1, v2, v3, v4, v10, v999}

seems to work. Looks a bit lengthy, though.

Regards,
Yves


Am 01.03.2011 11:28, schrieb Robert Wright:
> Is there a way of sorting a list of symbols like {v1, v2, v3, v10, v4} such that 
> it gives {v1, v2, v3, v4, v10} and not the Mathematica default of {v1,v10, v2,v3, v4}? I 
> am trying to avoid using the obvious solution of {v01, v02, v03, v04, v10}!


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