jl#
- caput.astro.coordinates.bessel.jl(l, z)[source]#
A fast spherical bessel function using approximations at low- and high-z.
The corresponding scipy function is used for mid-range regions of l and z.
- Parameters:
- l, zarray_like
Spherical bessel function arguments.
- Returns:
- jlarray_like
Spherical bessel functions.