Algorithm 644: A portable package for Bessel functions of a complex argument and nonnegative order

  • Authors:
  • D. E. Amos

  • Affiliations:
  • Sandia National Labs., Albuquerque, NM

  • Venue:
  • ACM Transactions on Mathematical Software (TOMS)
  • Year:
  • 1986

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Abstract

This algorithm is a package of subroutines for Computing Bessel functions Hv(1)(z), Hv(2)(z), Iv(z), Jv(z), Kv(z), Yv(z) and Airy functions Ai(z), Ai′(z), Bi(z), Bi′(z) for ordersv≥0 and complex z in −&pgr;z≤&pgr;. Eight callable subroutines and their double-precision counterparts are provided. Exponential scaling and sequence generation are auxiliary options.