| 释义 |
Bessel Function Fourier ExpansionLet and , , ...be the Positive Roots of . An expansion of a function inthe interval (0,1) in terms of Bessel Functions of the First Kind
 | (1) |
has Coefficients found as follows:
 | (2) |
But Orthogonality of Bessel Function Roots gives
 | (3) |
(Bowman 1958, p. 108), so
and the Coefficients are given by
 | (5) |
References
Bowman, F. Introduction to Bessel Functions. New York: Dover, 1958.
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