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A115370
Decimal expansion of first zero of BesselJ(2,z).
5
5, 1, 3, 5, 6, 2, 2, 3, 0, 1, 8, 4, 0, 6, 8, 2, 5, 5, 6, 3, 0, 1, 4, 0, 1, 6, 9, 0, 1, 3, 7, 7, 6, 5, 4, 5, 6, 9, 7, 3, 7, 7, 2, 3, 4, 7, 5, 0, 0, 5, 5, 0, 9, 4, 3, 3, 5, 8, 2, 5, 7, 2, 5, 7, 4, 5, 9, 9, 8, 1, 9, 6, 6, 1, 0, 7, 9, 2, 8, 4, 8, 7, 9, 4, 2, 3, 6, 8, 1, 9, 7, 2, 8, 7, 4, 5, 0, 4, 6, 2, 8, 7, 8, 3, 2
OFFSET
1,1
COMMENTS
Also the first root of the sinc(4,x) function, that is, the radial component of the 4D Fourier transform of 4-dimensional unit sphere. Also, the solution of 2J_1(x) = x*J_0(x). - Stanislav Sykora, Nov 14 2013
EXAMPLE
5.1356223018406825563...
MATHEMATICA
RealDigits[BesselJZero[2, 1], 10, 100][[1]] (* Amiram Eldar, May 18 2021 *)
PROG
(PARI) solve(x=5, 6, besselj(2, x)) \\ Charles R Greathouse IV, Feb 19 2014
(PARI) besseljzero(2) \\ Charles R Greathouse IV, Aug 06 2022
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Jan 21 2006
STATUS
approved