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MathGroup Archive 2010

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Re: Occurrences in Mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg106383] Re: [mg106350] Occurrences in Mathematica
  • From: brien colwell <xcolwell at gmail.com>
  • Date: Mon, 11 Jan 2010 05:30:00 -0500 (EST)
  • References: <201001100828.DAA05428@smc.vnet.net>

I'd start with something simple like

Cases[Tally[list], {a_, 1} :> a]








On Sun, Jan 10, 2010 at 3:28 AM, George <gtatishvili at gmail.com> wrote:

> Hi,
>
> I have a very big list of elements and I need Mathematica to give me
> only those elements which occure only once...
>
> Could anybody advise me please how to write the code for that?
>
> Thks much
> George
>
>


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