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Math Help - Interpolate a 6th degree function.

  1. #1
    Newbie
    Joined
    Nov 2011
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    Interpolate a 6th degree function.

    Hey guys

    Im not that good in math so I have no Idea how i could solve the following problem:

    Interpolate a 6th degree function that passes through the following seven points and calculate f(3.1) accurate to at least five decimal places:
    X Y
    1 27
    2 23
    3 -3
    4 -9
    5 14
    6 24
    7 -8
    It would be really nice if someone can give me a step by step tutorial

    The result for this case is -5.096852025, but its useless for me if I dont know how to solve it.

    Greetz
    Last edited by mr fantastic; November 11th 2011 at 02:28 AM. Reason: Re-titled.
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  2. #2
    Grand Panjandrum
    Joined
    Nov 2005
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    someplace
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    4

    Re: Interpolate a 6th degree function.

    Quote Originally Posted by DerGeraet View Post
    Hey guys

    Im not that good in math so I have no Idea how i could solve the following problem:

    Interpolate a 6th degree function that passes through the following seven points and calculate f(3.1) accurate to at least five decimal places:
    X Y
    1 27
    2 23
    3 -3
    4 -9
    5 14
    6 24
    7 -8
    It would be really nice if someone can give me a step by step tutorial

    The result for this case is -5.096852025, but its useless for me if I dont know how to solve it.

    Greetz
    Lagrange polynomial - Wikipedia, the free encyclopedia

    CB
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