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MathGroup Archive 1996

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Re: Function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg3875] Re: [mg3819] Function
  • From: Robert Garian <rgar at loc.gov>
  • Date: Sat, 4 May 1996 02:15:51 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

On Sat, 27 Apr 1996, Roberto Diego wrote:

> Could you please give me some advice?
> 
>  I4m trying to find a function that works on a list like {a1, a2, a3, 
> a4, ..., an} and returns a list like {a2/a1, a3/a2, a4/a3, ... an/an-1}. 
> 
> It should be easy but I can4t find the answer.
> 
> Thanks a lot.
> 
> 

A quick and dirty way to get what you want :
A={a,b,c,d,e}
Table[A[[i]]/A[[i-1]],{i,2,Length[A]}]
gives {b/a,c/b,d/c,e/d}




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