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MathGroup Archive 2006

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Re: Generating a function from a series

  • To: mathgroup at smc.vnet.net
  • Subject: [mg65373] Re: [mg65354] Generating a function from a series
  • From: Adriano Pascoletti <pascolet at dimi.uniud.it>
  • Date: Wed, 29 Mar 2006 06:34:11 -0500 (EST)
  • References: <200603280905.EAA26312@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Use Normal[Series[......]]
Adriano Pascoletti
On 28 mar 2006, at 11:05, Geico Caveman wrote:

> How does one generate a function from a series ?
>
> For example :
>
> sf=Series[f(x),{x,0,3}];
> fs[y_]=sf/.x->y
>
> Now this leaves that pesky O(()^4) term in the function definition,
> rendering the function useless for plots etc. How do I get rid of it ?
>


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