Inverse of function
- To: mathgroup at smc.vnet.net
- Subject: [mg121395] Inverse of function
- From: Berthold Hamburger <b-hamburger at artinso.com>
- Date: Tue, 13 Sep 2011 07:21:47 -0400 (EDT)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
Hi, I stumbled over a small riddle using mathematica 8. Asking for the inverse of the function f(x)= x^2, I receive the solution: f^(-1)(x) = ±sqrt(x) Why is that so? I had rather expected an error message. 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.