BesselJ -- Bessel function of the first kind

• Usage:

  BesselJ(n,x)

  BesselJ_n x

• Inputs:
  • n, an integer, the order
  • x, an integer, a rational number, or a real number
• Outputs:
  • the Bessel function of the first kind of order n at x

i1 : BesselJ_0 .5

o1 = .9384698072408129

o1 : RR (of precision 53)

i2 : BesselJ_2 3p200

o2 = .486091260585891076907831094114984034801662265643298727377034

o2 : RR (of precision 200)