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MathGroup Archive 2004

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Re: Remove the higher order terms in series expansion

  • To: mathgroup at smc.vnet.net
  • Subject: [mg52829] Re: [mg52798] Remove the higher order terms in series expansion
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Tue, 14 Dec 2004 05:59:24 -0500 (EST)
  • Reply-to: hanlonr at cox.net
  • Sender: owner-wri-mathgroup at wolfram.com

Use Normal

Series[1/(1-x),{x,0,3}]//Normal

x^3 + x^2 + x + 1


Bob Hanlon

> 
> From: highorder at Noreply.com (highorder)
To: mathgroup at smc.vnet.net
> Date: 2004/12/13 Mon AM 04:23:13 EST
> To: mathgroup at smc.vnet.net
> Subject: [mg52829] [mg52798] Remove the higher order terms in series expansion
> 
> I guess this should be simple and hiding somewhere in the manual. Is
> there a quick way to remove the high order terms after using
> Series[f,{x,x0,n}] command? The problem comes from the output is
> actually given by:
> 
> expansion term + O(x^3);
> 
> the O(x^3) should be removed. I will keep trying but wondering if
> anyone has a quick answer.
> 
> Thanks.
> 
> 


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