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MathGroup Archive 2002

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Re: irritating little problem

  • To: mathgroup at
  • Subject: [mg32928] Re: [mg32906] irritating little problem
  • From: BobHanlon at
  • Date: Wed, 20 Feb 2002 01:26:06 -0500 (EST)
  • Sender: owner-wri-mathgroup at

In a message dated 2/19/02 3:25:04 AM, micweij at writes:

>I have a simple vector 
>and I want to find the position of elements that are equal.
>I.e I want to test the vector and find all cases of similar elements.
>Brute force is not what I want, it can be a long vector.

Select[{#, Position[vec, #]}& /@ Union[vec],

Bob Hanlon
Chantilly, VA  USA

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