Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2002
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2002

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Stumped again on a simple list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg32810] Re: Stumped again on a simple list
  • From: Erk Jensen <Erk.Jensen at cern.ch>
  • Date: Thu, 14 Feb 2002 01:43:25 -0500 (EST)
  • Organization: CERN http://www.cern.ch
  • References: <a4auba$bu0$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

"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?

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


  • Prev by Date: RE: Stumped again on a simple list
  • Next by Date: Re: A problem with an integral
  • Previous by thread: RE: Stumped again on a simple list
  • Next by thread: Re: Stumped again on a simple list