Description Usage Arguments Details Value
Reference function Derivative of Ricatti-Bessel function .
1 | reff.rdj(n, x)
|
n |
The order of the function |
x |
The argument of the function |
The derivative of the Ricatti-Bessel function ψ_n(x)=xj_n(x).
The derivative ψ_n'(x)=j_n(x)+xj_n'(x).
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