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MathGroup Archive 2002

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Re: Stumped again on a simple list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg32805] Re: Stumped again on a simple list
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Thu, 14 Feb 2002 01:43:19 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <a4auba$bu0$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi 1.156,

(I like your name is it Rob 1.156 or 1.156 Rob)

jj= If[#<100,50,200] & /@ ii

will help.


Regards
  Jens

"1.156" wrote:
> 
> Greetings cypherers all,
> 
> I make a simple list ii and I find I can make other lists easily by algebraic moves like
> jj=ii/2, etc.  But when I want make a new list which splits two different formula, I'm stumped.
> 
> Here's a stripped down version to illustrate my problem.  I want to use the value in the original
> array to determine how to make the new array.  The If[] is the only thing I can find to make
> this decision.  But, it seems I'm not even close when I try:
> 
> ii=Table[z,{z,50,1400,5}];
> 
> jj=If[ii<100,50,200]
> 
> I've looked around a good bit but have not stumbled into any topic that appears to bear on this problem.
> 
> Can I please ask a kind soul to (again) point me in the right direction?
> 
> Thanks, Rob


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