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Re: O(1) in Mathematica


Hi,

try

ArcTan[1/(n + O[n]^2)]

because

ArcTan[1/(n + O[n]^1)]

would be nonsense (n is of order 1)

Regards
   Jens

Francois Fayard wrote:
> Hello,
> 
> I'd like to compute ArcTan[1/(n+O(1))] but I don't know how to enter
> O(1) with Mathematica as O[n,Infinity]^0 simplifies to 1 which is not
> what I want.
> 
> Thanks,
> Fran=E7ois
> 
> 
> 


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