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MathGroup Archive 2007

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Re: List representation using element position

  • To: mathgroup at smc.vnet.net
  • Subject: [mg72517] Re: List representation using element position
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Thu, 4 Jan 2007 06:32:15 -0500 (EST)
  • Organization: The Open University, Milton Keynes, UK
  • References: <enfgem$ss1$1@smc.vnet.net> <enfvp1$727$1@smc.vnet.net>

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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