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MathGroup Archive 2005

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Re: evaluate assuming odd integers?

  • To: mathgroup at
  • Subject: [mg58971] Re: evaluate assuming odd integers?
  • From: dh <dh at>
  • Date: Tue, 26 Jul 2005 04:01:36 -0400 (EDT)
  • References: <dc1t2f$4v8$>
  • Sender: owner-wri-mathgroup at

an assumption of e.g.


will do the trick,
sincerely, Daniel

ab at wrote:
> Is there a way in Mathematica to evaluate an expression assuming some 
> varialbe is Odd integer, for example in below integral how can i tell it 
> that n is odd integer in the Assumptions section of FullSimplify command or 
> the integral itself??:
> In[35]:=
> Integrate[Sin[n*Pi*(z/L)], {z, 0, L}]
> FullSimplify[%, n \[Element] Integers && n >= 0 &&
> L \[Element] Reals && L > 0 && z \[Element] Reals]

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