MathGroup Archive: December 2003 [00256]

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Re: Replacement rules with I (sqrt(-1)

To: mathgroup at smc.vnet.net
Subject: [mg45084] Re: Replacement rules with I (sqrt(-1)
From: "Jean.Pellegri" <Jean.Pellegri at wanadoo.fr>
Date: Tue, 16 Dec 2003 06:21:14 -0500 (EST)
References: <brhi2e$jha$1@smc.vnet.net>
Sender: owner-wri-mathgroup at wolfram.com

"Jean-Michel Collard" <jm at france-paris.org> a écrit dans le message de
news:brhi2e$jha$1 at smc.vnet.net...
> Can someone explain me this particular behavior :
>
> x+I*y /. I -> -I
>
> x-I y  (*  ok  *)
>
>
> 3+I /. I-> -I
>
> 3+I     (*  ????? false  *)
>
> Regards,
>
> J.-M.
>

Ce qui peut être fait :

3+I /. 3+I->3-I

On obtient 3-I

Question : existe-t-il un forum Mathematica en français

Merci

Jean Pellegri

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