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MathGroup Archive 2002

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Re: more elements in a list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg32258] Re: more elements in a list
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 9 Jan 2002 23:37:12 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <a1gv6a$n6n$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

RepeatList[lst_List, rep_List] /; Length[lst] == Length[rep] :=
   Sequence @@@ Table @@@ Transpose[{lst, {#} & /@ rep}]

will do that.

Regards
  Jens

merkat wrote:
> 
> Hi ,
> 
> How do I multiply the number of elements in a list?
> I have the lists:
> {a,b,c}  and
> {2,5,4}
> 
> the result should be:
> {a,a,b,b,b,b,b,c,c,c,c}
> 
> Merkat


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