RE: Simplify
- To: mathgroup at smc.vnet.net
- Subject: [mg32020] RE: [mg32007] Simplify
- From: "Florian Jaccard" <jaccardf at eicn.ch>
- Date: Wed, 19 Dec 2001 04:28:54 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
The problem is that a and b may be negative or complex... If you want a and b to be positive and real, you can use PowerExpand[(a^b)^(1/b)], but you have to bee sure that you may do it ! The second is undersood as a^(b^(1/b)) and is not equal a ! Meilleures salutations Florian Jaccard e-mail : jaccardf at eicn.ch -----Message d'origine----- De : Matthias.Bode at oppenheim.de [mailto:Matthias.Bode at oppenheim.de] Envoyé : mar., 18. décembre 2001 08:34 À : mathgroup at smc.vnet.net Objet : [mg32007] Simplify Dear Colleagues, why should I not expect MATHEMATICA to (Full)Simplify (a^b)^(1/b) or a^b^(1/b) to a? Best regards, Matthias Bode Sal. Oppenheim jr. & Cie. KGaA Koenigsberger Strasse 29 D-60487 Frankfurt am Main GERMANY Tel.: +49(0)69 71 34 53 80 Mobile: +49(0)172 6 74 95 77 Fax: +49(0)69 71 34 95 380 E-mail: matthias.bode at oppenheim.de Internet: http://www.oppenheim.de