Results 1 to 3 of 3
Like Tree1Thanks
  • 1 Post By emakarov

Math Help - Inverse of polynomial function

  1. #1
    Newbie
    Joined
    Aug 2012
    From
    Romania
    Posts
    19

    Inverse of polynomial function

    Does anybody know if there is any method to find the inverse of such a function like f(x)=x^3+px+q. I used an online calculator and it returned

    Inverse of polynomial function-inversa.gif
    wich is very complicated. Is there any alghoritm?
    Attached Thumbnails Attached Thumbnails Inverse of polynomial function-inversa.gif  
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Oct 2009
    Posts
    5,561
    Thanks
    785

    Re: Inverse of polynomial function

    It's unlikely you can get a simpler formula. See Cardano's formula.
    Thanks from mathmagix
    Follow Math Help Forum on Facebook and Google+

  3. #3
    MHF Contributor
    Prove It's Avatar
    Joined
    Aug 2008
    Posts
    11,831
    Thanks
    1602

    Re: Inverse of polynomial function

    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Laplace Inverse of polynomial function?
    Posted in the Calculus Forum
    Replies: 0
    Last Post: August 1st 2011, 06:32 AM
  2. Inverse of this polynomial function?
    Posted in the Pre-Calculus Forum
    Replies: 7
    Last Post: April 8th 2010, 06:37 PM
  3. inverse of a polynomial
    Posted in the Number Theory Forum
    Replies: 2
    Last Post: March 22nd 2010, 10:24 AM
  4. Replies: 3
    Last Post: January 31st 2010, 07:16 AM
  5. Inverse of the Polynomial Function
    Posted in the Algebra Forum
    Replies: 1
    Last Post: December 9th 2009, 08:11 AM

Search Tags


/mathhelpforum @mathhelpforum