bessel function derivatives problem

dear all
i have following equation that contain bessel function :
1- u(r)=j1(r) [1 mean the order and r is Variable(sysm)]
2-w(r)=j0(r)+i0(r) [0 mean the order and r is Variable(sysm)]
i need the the first derivative of the first equation (1 u(r) ) and second derivative of the second equation (2 w(r) )
is there any direct code for this purpose ?
thank a lot for your helps

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Alan Stevens
Alan Stevens 2020-9-29
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4 个评论

I really appreciate for your answer alan Can u plz give me more details about the second equation For example whats forst derivatives of w(r)🙏🙏
Again tanx alot For the last question Is there any reference or hand book smth that have these relations?
You could look up besselj etc in Matlab's documentation, or search for bessel function in Wikipedia, or just do a general Google search for bessel function properties; there's plenty of stuff out there!

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