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Math Help - Lagrange interpolating polynomials

  1. #1
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    Lagrange interpolating polynomials

    Use LeGrange interpolating ploynomials of degrees one, two and three to approximate:
    f(8.4) if f(8.1)=16.94410,
    f(8.3)=17.56492,
    f(8.6)=18.50515,
    f(8.7)=18.82091
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  2. #2
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    Quote Originally Posted by wvlilgurl View Post
    Use LeGrange interpolating ploynomials of degrees one, two and three to approximate:
    f(8.4) if f(8.1)=16.94410,
    f(8.3)=17.56492,
    f(8.6)=18.50515,
    f(8.7)=18.82091
    This is bookwork, what have you done?

    .
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  3. #3
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    I dont even know where to begin b/c our book and professor does not explain how to do this type. Is there a formula?
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