CurvFitXY Provides a Polynomial Curve Fit Solution as High as 9th Order

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  • The above plots are an example of y = f (x) polynomial least squares curve fits of the same data. The 6th order polynomial curve fit satisfies the condition where the curve fit passes through each of the six data points. The form of the equation for the 2nd order linear curve fit is:
    y = a0 + a1x
    The form of the equation for the 6th order curve fit is:
    y = a0 + a1x + a2x2 + a3x3 + a4x4 + a5x5

    The software also includes the data plotting routine PlotXYZ and the Statistical Analysis program.

    The Following Three Plots Summarize Results From The Statistics Program

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