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Re: irritating little problem


In a message dated 2/19/02 3:25:04 AM, micweij at eka.ericsson.se 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],
 
  Length[#[[2]]]>1&]


Bob Hanlon
Chantilly, VA  USA


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