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Mathematics of Computation
Article . 1983 . Peer-reviewed
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Some Integrals Relating to the I e -Function

Some integrals relating to the \(I_ e\)-function
Authors: Okui, Shigehiko;

Some Integrals Relating to the I e -Function

Abstract

The author presents two tables of (definite and indefinite) integrals which occur in statistical communication theory and noise analysis. They are related to the so-called \(I_ e\)-function \[ I_ e(k,z)=\int^{z}_{0}e^{-x}I_ 0(kx)dx, \] where \(I_ 0(x)\) is the modified Bessel function. The first table contains integrals of the following 17 functions over the interval (\(\alpha\),\(\beta)\). Five of these integrals are expressed in terms of the following functions: the Gaussian hypergeometric function \({}_ 2F_ 1\), the hypergeometric functions of two variables \(F_ 1\) and \(F_ 4\), and the confluent hypergeometric function \(\Phi_ 2\). The second table contains integrals of the following 31 functions over the interval (\(\alpha\),\(\beta)\), which can be expressed in terms of \(I_ e(k,z)\), Bessel, and elementary functions. An appendix gives hints for the evaluation of the integrals.

Keywords

Classical hypergeometric functions, \({}_2F_1\), integrals of Bessel functions, statistical communication theory, hypergeometric functions of two variables, noise analysis, Communication theory, Gaussian hypergeometric function, Bessel and Airy functions, cylinder functions, \({}_0F_1\), confluent hypergeometric function

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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