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MathGroup Archive 2006

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Re: how to iterate

  • To: mathgroup at smc.vnet.net
  • Subject: [mg65981] Re: how to iterate
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Tue, 25 Apr 2006 05:19:18 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

On 4/24/06 at 6:02 AM, valentino.rossi.85 at gmail.com (vr) wrote:

>pls excuse my ignorance. i'm still new to mathematica, and i forgot
>much of what i had learned.

>how can i list the output of the function below for n=4..2006? f(n)
>= ( f(n-1) + f(n-2) + 1 ) / f(n-3) given f(1)=1, f(2)=2, f(3)=3.

There are a number of ways to achieve this. One of the simpler is:

Table[(f[n-1]+f[n-2]+1)/f[n-3], {n, 4, 2006}]

another way to get the same result would be

(f[#-1]+f[#-2]+1)/f[#-3]&/@Range[4,2006]
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