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Why Bessel's functions are denoted by J(x)? Asked my prof. as an assignment!!!!?
He told me that Legendre's functions are denoted by P(x) but P stands for polynomial
1 Answer
- ?Lv 71 decade agoFavorite Answer
Apparently the J was first used by Hansen in 1843 in this paper:
Hansen, P. A. "Ermittelung der absoluten Störungen in Ellipsen von beliebiger Excentricität und Neigung, I." Schriften der Sternwarte Seeberg. Gotha, 1843.
But why, I don't know. See link below.
Apparently Bessel used a capital I rather than a J. See second link below.
Source(s): http://mathworld.wolfram.com/BesselFunctionoftheFi... http://books.google.com/books?id=7juWmvQSTvwC&pg=R...
