Polynom of phi -> derivate to [mm/rad] and [mm/rad^2]
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Hello everybody, I need your help!
I have a huge dataset for an ellipse.
Column 1 = degree from 0° -> 360°
Column 2 = radius (I define it as distance from the center) -> s [mm]
In the end I would like to plot the angular velocity [mm/rad] and the angular acceleration [mm/rad^2]. Therefor I used polyfit to get a function for the radius in dependency of degree -> s(°) with the unit [mm]
Now I would like to diff this function to get the angular velocity [mm/rad] and the angular acceleration [mm/rad^2].
The math looks like this:
s_dot = ds/dt = ds/dphi * dphi/dt = ds/dphi * omega
I have already tried it in several ways, but I’m not able to succeed.
Many thanks in advance!
Cheers
Christian
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