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Bessel (version 0.7-1)
Computations and Approximations for Bessel Functions
Description
Computations for Bessel function for complex, real and partly 'mpfr' (arbitrary precision) numbers; notably interfacing TOMS 644; approximations for large arguments, experiments, etc.
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Version
Version
0.7-1
0.7-0
0.6-1
0.6-0
0.5-5
0.5-4
0.5-3
Install
install.packages('Bessel')
Monthly Downloads
4,954
Version
0.7-1
License
GPL (>= 2)
Maintainer
Martin Maechler
Last Published
September 28th, 2026
Functions in Bessel (0.7-1)
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Airy
Airy Functions (and Their First Derivative)
besselIasym
Asymptotic Expansion of Bessel I(x,nu) and K(x,nu) For Large x
bessJsmlNu
Bessel \(J_\nu(x)\) for Very Small Order \(\nu\)
besselJs
Bessel J() function Simple Series Representation
besselI.nuAsym
Asymptotic Expansion of Bessel I(x,nu) and K(x,nu) for Large nu (and x)
besselIs
Bessel I() function Simple Series Representation
Bessel
Bessel Functions of Complex Arguments I(), J(), K(), and Y()
BesselH
Hankel (H-Bessel) Function (of Complex Argument)
incompleteBesselK
The Incomplete Bessel K Function