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Re: Finding the inverse of a function?
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 > > >