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21: Software Index
22: 6.12 Asymptotic Expansions
The asymptotic expansions of Si ( z ) and Ci ( z ) are given by (6.2.19), (6.2.20), together with …
23: Bibliography T
  • F. G. Tricomi (1947) Sugli zeri delle funzioni di cui si conosce una rappresentazione asintotica. Ann. Mat. Pura Appl. (4) 26, pp. 283–300 (Italian).
  • 24: Bibliography W
  • B. M. Watrasiewicz (1967) Some useful integrals of Si ( x ) , Ci ( x ) and related integrals. Optica Acta 14 (3), pp. 317–322.
  • 25: 18.39 Applications in the Physical Sciences
    In the case of a single electron, charge e and mass m e , interacting with a fixed (infinite mass) nucleus of charge + Z e at the co-ordinate origin, with the choice of SI units, V ( r ) = Z e 2 / ( 4 π ϵ 0 r ) . … , = m e = e 2 = 4 π ϵ 0 = 1 , Mohr and Taylor (2005, Table XXX, p. 71), where the relationship of a . u . to SI units is spelled out. …