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MathGroup Archive 2008

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Re: Identical elements

  • To: mathgroup at smc.vnet.net
  • Subject: [mg88409] Re: Identical elements
  • From: Szabolcs Horvát <szhorvat at gmail.com>
  • Date: Mon, 5 May 2008 06:09:34 -0400 (EDT)
  • Organization: University of Bergen
  • References: <fvhe2h$3th$1@smc.vnet.net>

KFUPM wrote:
> Dear All
> 
> I have a list  and i need to test whether all the elements in the list
> are identical or no. What is the efficient way to do that? The output
> should be true if all elements are the same and False otherwise. One
> line command is preferred if possible.

SameQ @@ list

But note that 0 and 0.0 are not identical (you may need Equal instead of 
SameQ)


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