Results 1 to 2 of 2

Math Help - Newton's Method Help

  1. #1
    Newbie
    Joined
    Aug 2007
    Posts
    21

    Newton's Method Help

    Hello.
    I'm doing study for a Maths test we have coming up.
    And i have been stumped on this Question.

    Solve ln(x) = x^3 - 2 by using two applications of Newtons method

    Thanks in advance.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor kalagota's Avatar
    Joined
    Oct 2007
    From
    Taguig City, Philippines
    Posts
    1,026
    Quote Originally Posted by name101 View Post
    Hello.
    I'm doing study for a Maths test we have coming up.
    And i have been stumped on this Question.

    Solve ln(x) = x^3 - 2 by using two applications of Newtons method

    Thanks in advance.
    Let f(x) = \ln x - x^3 +2..
    Then f'(x) = \frac{1}{x} - 3x^2
    Let x_0 be your initial guess..

    x_1 = x_0 - \frac{f(x_0)}{f'(x_0)} and
    x_2 = x_1 - \frac{f(x_1)}{f'(x_1)}
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Newton's method
    Posted in the Calculus Forum
    Replies: 2
    Last Post: May 16th 2010, 02:46 AM
  2. Newton's Method
    Posted in the Calculus Forum
    Replies: 2
    Last Post: December 18th 2008, 07:25 AM
  3. Newton method help
    Posted in the Calculus Forum
    Replies: 1
    Last Post: May 21st 2008, 09:00 PM
  4. Newton's Method
    Posted in the Calculus Forum
    Replies: 7
    Last Post: December 12th 2007, 08:53 AM
  5. Newton's Method
    Posted in the Calculus Forum
    Replies: 8
    Last Post: April 15th 2007, 09:38 PM

Search Tags


/mathhelpforum @mathhelpforum