Results 1 to 5 of 5

Math Help - curvature of planar curves

  1. #1
    Newbie
    Joined
    May 2010
    Posts
    4

    curvature of planar curves

    Ok, so, i have a serious problem and i need help, since english is not my mother language i'm not sure if this is the right name of the problem..

    i have function in implicit shape y^2 = x^2 * ((4+x)/(4-x))

    and for the curvature there is formula

    and i don't understand how to get to those parameters

    help pls
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Apr 2005
    Posts
    14,973
    Thanks
    1121
    I guess then the question is "what is F". That is, what does the function F represent in that formula? Are the subscripts indices or derivatives? And if they are derivatives, what do F' and F'' mean?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    May 2010
    Posts
    4
    Quote Originally Posted by HallsofIvy View Post
    I guess then the question is "what is F". That is, what does the function F represent in that formula? Are the subscripts indices or derivatives? And if they are derivatives, what do F' and F'' mean?

    well that is what i wonder too..I got that formula from Bronstein's handbook of mathematics, as a formula for curvature, but i don't really understand anything about it =(((
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Newbie
    Joined
    May 2010
    Posts
    4
    I found another formula


    But this doesn't help me much either cause i really don't understand this stuff..
    Follow Math Help Forum on Facebook and Google+

  5. #5
    Newbie
    Joined
    May 2010
    Posts
    4
    anyone??

    anything??
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Planar intersections
    Posted in the Geometry Forum
    Replies: 36
    Last Post: January 28th 2011, 07:59 AM
  2. Replies: 5
    Last Post: December 22nd 2010, 01:42 AM
  3. Planar intersection
    Posted in the Geometry Forum
    Replies: 3
    Last Post: October 29th 2010, 02:10 AM
  4. planar curve
    Posted in the Pre-Calculus Forum
    Replies: 14
    Last Post: August 7th 2010, 07:01 AM
  5. Planar Intersections-Please help
    Posted in the Calculus Forum
    Replies: 1
    Last Post: May 16th 2010, 03:35 AM

Search Tags


/mathhelpforum @mathhelpforum