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MathGroup Archive 2002

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Re: Stumped again on a simple list

  • To: mathgroup at
  • Subject: [mg32810] Re: Stumped again on a simple list
  • From: Erk Jensen <Erk.Jensen at>
  • Date: Thu, 14 Feb 2002 01:43:25 -0500 (EST)
  • Organization: CERN
  • References: <a4auba$bu0$>
  • Sender: owner-wri-mathgroup at

"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

Is this
   If[# < 100, 50, 200] & /@ ii
what you want?

 Dr.-Ing. Erk JENSEN                    mailto:Erk.Jensen at
 CERN  PS/RF  L19510          
 CH-1211 Geneva 23                      Tel.:     +41 22 76 74298
 Switzerland                            Fax.:     +41 22 76 78510

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