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Re: Integer


Hi,

Assuming[Element[n, Integers], Sin[n*Pi] // 
Simplify]`

??

Or

$Assumptions = {$Assumptions, Element[n, 
Integers]};

Simplify[ Sin[n*Pi]]

Regards
  Jens

"Daniel Arnold" <flashlight at student.unibe.ch> 
schrieb im Newsbeitrag 
news:d2tfc3$qlb$1 at smc.vnet.net...
> Hi
>
> How can I tell Mathematica that n is just an 
> integer variable?
>
> Greets, Daniel
> 



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