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Ponit function

  1. Jul 20, 2009 #1
    what is a point function
  2. jcsd
  3. Jul 20, 2009 #2


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    Welcome to PF!

    Hi abhishek.93! Welcome to PF! :smile:

    From http://en.wiktionary.org/wiki/point_function, a point function is …
    So a point function from the real numbers (R) is a curve, a point function from R2 is a surface, and so on. :wink:
  4. Jul 20, 2009 #3


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    I wanted to find out what a "ponit" function was!

    An important example of a "point function" is the function that assigns, to every non-negative real number t, the point on the unit circle on a Cartesian coordinate system at distance t around the circumference of the circle, counterclockwise or if t< 0, the clockwise.
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