Mathematica 9 is now available
Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2010

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

Search the Archive

Re: Evaluating a sum from terms generated by the Array

  • To: mathgroup at smc.vnet.net
  • Subject: [mg109525] Re: Evaluating a sum from terms generated by the Array
  • From: Laszlo Sturmann <lschara at sonic.net>
  • Date: Mon, 3 May 2010 06:12:36 -0400 (EDT)

davef wrote:
> I want to evaluate a sum from a series I created using the Array
> function.
>
> For example; I specify
>
> Array[((-1)^(# + 1) (x)^#)/# ! &, 3, 1 ]
>
> which gives me the following 3 terms of output:
>
> {x, -(x^2/2), x^3/6}
>
> Can anyone tell if and how I can turn these 3 terms into a sum to be
> evaluated?
>
>
>   
Apply[Plus, Array[((-1)^(# + 1) (x)^#)/#! &, 3, 1]]

LS


  • Prev by Date: Front-end - a strange behaviour of Plot3D
  • Next by Date: Re: Evaluating a sum from terms generated by the Array function
  • Previous by thread: Re: Front-end - a strange behaviour of Plot3D
  • Next by thread: Re: Evaluating a sum from terms generated by the Array