Question: Roots of the derivative of Bessel function of the first kind

I've been trying to vreate a script which will provide the roots of the Bessel function of the first kind, and it's derivative.


The root of the Bessel itself is fairly straight forward, simply BesselJZero(m,n); however, I can't do the same for the derivative diff(BesselJ(m,n),n).


Any help would be appreicated.

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