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MS Office Forum / Excel / New Users / November 2006equation of a curve
I created a simple curve on excel using data points.How can I get the polynomial equation of the curve ? Hi Naty Right click on one of your data points and select Add trendline. The trendline dialog boxes offers a number of options for type of trendline, showing equations in chart etc. HTH Martin Well, thanks for the advice, but I think since my curve is not linear or something, it doesn't give me the Add trendline option. My curve looks like a 3rd order polynomial. > Hi Naty > [quoted text clipped - 4 lines] > HTH > Martin Hi Naty, You have to be using an XY Scatter chart, not a line graph. The scatter graph allows for polynomials from 2nd to 6th orders amongst other options. How is your curve and data setup? Martin Or you can use LINEST; see http://people.stfx.ca/bliengme/ExcelTips/Polynomial.htm best wishes  SignatureBernard V Liengme www.stfx.ca/people/bliengme remove caps from email >I created a simple curve on excel using data points.How can I get the > polynomial equation of the curve ? |
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