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Computation of the Regular Confluent Hypergeometric Function
Volume 5, Issue 4
Fall 1995
Julio Abad and Javier Sesma, Universidad de Zaragoza
A procedure, alternative to Hypergeometric1F1,
for the computation of the regular confluent hypergeometric function 1F1(a;b;z)
is suggested. The procedure, based on an expansion of the Whittaker function
in series of Bessel functions, proves to be useful for large values of
|az|,whenever |z| is smaller than or comparable to 1.
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