Re: Stumped again on a simple list
- To: mathgroup at smc.vnet.net
- Subject: [mg32830] Re: [mg32795] Stumped again on a simple list
- From: WhoamI <lushstring at yahoo.com>
- Date: Thu, 14 Feb 2002 01:43:59 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
--- "1.156" <rob at piovere.com> 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
>
You should try sometjhing like this:
jj = Map[If[# < 100, 50, 200] &, ii]
Cesar Guerra
Secc. Fisica PUCP-Lima
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