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Re: Identical elements

  • To: mathgroup at smc.vnet.net
  • Subject: [mg88412] Re: Identical elements
  • From: "jwmerrill at gmail.com" <jwmerrill at gmail.com>
  • Date: Mon, 5 May 2008 06:10:07 -0400 (EDT)
  • References: <fvhe2h$3th$1@smc.vnet.net>

On May 3, 6:16 am, KFUPM <hussain.alqaht... at gmail.com> 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.
>
> Your help is highly appreciated.
>
> Regards,
>
> HMQ

There's probably a dozen ways to do this.  In version six, there's
PatternSequence:

In[448]:= MatchQ[{q, q, q, q}, PatternSequence[_]]

Out[448]= True

Regards,

JM


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