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Re: Exclude Ofrom Seriesfor Solvein Mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg92833] Re: Exclude Ofrom Seriesfor Solvein Mathematica
  • From: Bill Rowe <readnews at sbcglobal.net>
  • Date: Tue, 14 Oct 2008 04:59:38 -0400 (EDT)

On 10/13/08 at 7:05 AM, vjp2.at at at.BioStrategist.dot.dot.com wrote:

>I expand a function as a Series[] but the O[] part prevents Solve[]
>from working. I try Part[] and it returns something which also
>confuses Solve[]. First[] works, but produces useless results, but
>this is why I am sure this is what I want to do.

To remove the O[] part from what Series returns, use Normal. For example,

In[1]:= Normal@Series[Exp[x], {x, 0, 2}]
Out[1]= x^2/2 + x + 1


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