Multiple-precision arithmetic and the exact calculation of the 3-j and 9-j symbols

  • Authors:

  • Robert M. Baer;Martin G. Redlich

  • Affiliations:

  • Univ. of California, Berkeley;Univ. of California, Berkeley

  • Venue:
  • Communications of the ACM
  • Year:
  • 1964

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Abstract

Described in this paper is a system of general-purpose multiple-precision fixed-point routines and their use in subroutines which calculate exactly the quantum-mechanical 3-j, 6-j and 9-j symbols of large arguments.