Re: Finding the inverse of a function?

*To*: mathgroup at smc.vnet.net*Subject*: [mg24200] Re: [mg24193] Finding the inverse of a function?*From*: "Matt Herman" <Henayni at hotmail.com>*Date*: Fri, 30 Jun 2000 01:57:28 -0400 (EDT)*References*: <200006290251.WAA20376@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hello, Here is the function implementing what I explained last post. InvFunc[poly_] := Solve[poly == y, x][[2, 1, 2]] /. y -> x ----- Original Message ----- From: <heathw at in-tch.com> To: mathgroup at smc.vnet.net Subject: [mg24200] [mg24193] Finding the inverse of a function? > Hi, > Is there some way to make Mathematica find the inverse of a user defined > function? I read the Mathematica Book and found InverseFunction[ ] but > it will only show the inverse of a Mathematica function. I would like to > be able to find the inverse of polynomials. > Thanks, > Heath > > >

**References**:**Finding the inverse of a function?***From:*heathw@in-tch.com