[Date Index] [Thread Index] [Author Index]

Re: How to evaluate Exp[I Pi(1+x)]?

• To: mathgroup at smc.vnet.net
• Subject: [mg52711] Re: [mg52702] How to evaluate Exp[I Pi(1+x)]?
• From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
• Date: Sat, 11 Dec 2004 05:21:04 -0500 (EST)
• References: <200412100123.UAA18952@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

On 10 Dec 2004, at 10:23, hello wrote:

> Is there a way to evaluate Exp[I Pi (1+x)]? I am expecting to see the
> result to be:
>
> -Exp[I Pi x]
>
> because Exp[I Pi] can be reduced to shorter form.
>
>
>
>

Hello?

FullSimplify[ComplexExpand[Exp[I*Pi*(1 + x)]],
   x $B":(B Reals]


-E^(I*Pi*x)



Andrzej Kozlowski
Chiba, Japan
http://www.akikoz.net/~andrzej/
http://www.mimuw.edu.pl/~akoz/

• References:
  • How to evaluate Exp[I Pi(1+x)]?
    • From: hello@noreply.com (hello)