September 2012
Intermediate to advanced
496 pages
12h 35m
English
APPENDICES
APPENDIX 1: MATHEMATICAL FORMULAS
A1.1 Bessel Equations and Bessel Functions
The Bessel equation has two linearly independent solutions: the first and second kinds Bessel functions,
and
:
(A1.1) ![]()
(A1.2) ![]()
where
is gamma function; for an integer argument,
.
(A1.3) ![]()
is also called Neumann function. Their linear combinations are Hankel functions:
(A1.4a) ![]()
(A1.4b) ![]()
The modified Bessel equation ...
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