rot_deriv2
rot_deriv2(angle, axis, dAngle1, dAxis1, dAngle2, dAxis2, d2Angle, d2Axis):
Gives a rotation matrix second derivative w/r/t some unspecified coordinate (you have to supply the chain rule terms)
angle
:float
angle for rotation
axis
:np.ndarray
axis for rotation
dAngle
:float
chain rule angle deriv.
dAxis
:np.ndarray
chain rule axis deriv.
:returns
:np.ndarray
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