How to find the maximum slope, of a polynomial in Polyfit?

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Malte
Malte 2014 年 5 月 31 日
回答済み: Matt J 2014 年 5 月 31 日
Hi all
I Have a given set of data points (around 600.000). i have used the polyfit function, to fit a 5. degree polynomial ( P_fit = polyfit(Z,X,5); ). And yes my Z and X axis has to be shifted. Now my question is, how do i find the maximum slope on the polynomial? I have searched around this forum and the web, but without any success...

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回答 (1 件)

Matt J
Matt J 2014 年 5 月 31 日
You can get the derivative of the polynomial using the polyder command.

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