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Spherical Hankel functions are not directly available in SciPy. However, spherical Bessel functions can be used to implement them. IMHO, it would be a nice extension of special functions.
def spher…
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Some ideas here:
Relevant Math Stackexchange post: https://math.stackexchange.com/questions/236010/integral-of-scaled-bessel-function-with-linear-phase
```
[0]
Warning message:
In besselJ(1.5, 1700.5) : bessel_j(1.5,nu=1700.5): precision lost in result
In this area (say, x*x/alpha < 0.1), the taylor series for besse…
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#### Summary:
Extension of Bessel and modified Bessel functions to fractional order
#### Description:
Extension to fractional order would conform with their implementation in base R.
#### Current V…
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Both GSL and boost seem to struggle with Bessel functions of high order (ell>200 or so). GSL is a bit more verbose and gives underflow errors, while boost quietly ignores that issue unless one sets th…
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Moved from: https://github.com/JuliaLang/julia/issues/10395
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I'm very new to julia, so not sure I managed to find the actual source code being used for those bessel(jhy) function…
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Here is [code to compute zeros of the besselj function](https://github.com/jlapeyre/FunctionZeros.jl/blob/master/src/FunctionZeros.jl). Are you interested in a PR ?
It could be more efficient, may…
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# Feature Request
**Describe the Feature Request**
Hello! I understand the overall computation would not be cost-efficient, but I was wondering if there are any plans to expand the functionality t…
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In [ECP WarpX](https://github.com/ECP-WarpX/WarpX), we would like to use the [cylindrical Bessel function of the first kind](https://en.wikipedia.org/wiki/Bessel_function#Bessel_functions_of_the_first…