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Re: Inverse of function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg121469] Re: Inverse of function
  • From: Berthold Hamburger <b-hamburger at artinso.com>
  • Date: Fri, 16 Sep 2011 05:48:09 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <j4neqn$54e$1@smc.vnet.net> <j4prkq$fn5$1@smc.vnet.net>

On Wed, 14 Sep 2011 09:20:26 +0000 (UTC), Simon 
<simonjtyler at gmail.com> wrote:
> Exactly what code did you use to get the inverse function?

Hi Simon,

I used the free form input in that form: "inverse function of 
f(x)=x^2", so I essentially used Wolfram alpha

My point or rather my question was however, why Mathematica returns a 
solution where there should be none, as to my understanding f(x)=x^2 
cannot be inverted. But then my understanding is quite limited, so 
please bear with me if this is just a lapse of knowledge on my part 
:-)

Regards

-- 
Berthold Hamburger - Cellist/Spain
http://www.artinso.com | http://www.astronomy.artinso.com |
http://www.artemis.artinso.com 
Sent from my Android Galaxy tab with Kaiten Mail.




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