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MathGroup Archive 2007

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Re: List representation using element position

  • To: mathgroup at
  • Subject: [mg72541] Re: List representation using element position
  • From: "Dr. Wolfgang Hintze" <weh at>
  • Date: Fri, 5 Jan 2007 02:38:18 -0500 (EST)
  • References: <enfgem$ss1$> <enfvp1$727$> <eniohp$ha3$>

Bon jour Jean-Marc,
there is absolutely no reason for apologizing; on the contrary!
Your comment is completely correct. Actually, without stating it, I 
wanted the function to be applied to other elements that numbers.
Hence mine is incorrect, or at least incomplete.
Best regards,

Jean-Marc Gulliet wrote:

> Jean-Marc Gulliet wrote:
>>Dr. Wolfgang Hintze wrote:
>>>Hello group,
>>>happy new year to all of you!
>>>This one was put up in a slightly different form by me in March 2006.
>>>It is now more general and it is lossless with respect to information:
>>>Given a list of integers which may repeat, e.g.
> <.. snip..>
>>>My solution appears 15 lines below
>>By the way, your solution works "correctly" only for a list of positive 
>>integers. (Otherwise, the elements of the original list are replace by 
>>their index number, index number starting from one.) Compare,
> <..snip..>
> Sorry Wolfgang,
> Forgive me for this silly comment, since you explicitly and correctly 
> describe what you expect in your original post, post that, for whatever 
> reason, I fail to keep in mind!
> Regards,
> Jean-Marc

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