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Re: evaluate assuming odd integers?


and thus spake ab at sd.com [2005.07.25 @ 00:46]:
> 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]

OddQ[]

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