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MathGroup Archive 2003

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Re: Summations with Primes

  • To: mathgroup at smc.vnet.net
  • Subject: [mg39964] Re: [mg39932] Summations with Primes
  • From: Tomas Garza <tgarza01 at prodigy.net.mx>
  • Date: Thu, 13 Mar 2003 03:03:04 -0500 (EST)
  • References: <200303120729.CAA19087@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Perhaps something like this?

In[1]:=
Sum[If[PrimeQ[i], i^2, 0], {i, 1, 5}]
Out[1]=
38

Tomas Garza
Mexico City
----- Original Message -----
From: "Anthony Felder" <afelder at crsi.org>
To: mathgroup at smc.vnet.net
Subject: [mg39964] [mg39932] Summations with Primes


>
> Can you tell me if, when calculating a summation of f(i) where i goes from
> imin to imax, Mathematica can be forced to only use prime values for i?
>
> Thank you for your time
>
> Anthony Felder
>
>
>




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