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  1. MGMWoodworks

    how to get a derivative of a graph in excel

    Using the Data - Graph it.... (X-Y Scatter) Use a Trend Line - 3rd order Polynomial worked for me... R^2 value of .9999 (Curve Fit Accuracy) for this dataset... Use the Option to put the Equation of the line on the chart... Calculate the derivative of that line... I get... Y` = 51.576 * X^2...

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