A133920 Decimal expansion of the first real inflection point of the jinc function.

2, 2, 9, 9, 9, 1, 0, 3, 3, 0, 2, 2, 8, 4, 1, 0, 9, 1, 4, 9, 5, 8, 1, 1, 0, 6, 9, 1, 0, 5, 0, 6, 2, 5, 4, 4, 7, 2, 6, 5, 6, 7, 3, 2, 9, 0, 3, 6, 5, 8, 0, 5, 6, 1, 1, 2, 7, 4, 9, 9, 5, 5, 1, 6, 1, 6, 8, 6, 9, 1, 6, 3, 7, 5, 0, 5, 3, 5, 7, 5, 9, 3, 8, 7, 0, 9, 1, 9, 4, 9, 8, 9, 6, 3, 9, 6, 8, 2, 6, 0, 6, 9, 4, 1, 2

Offset

1,1

Links

Table of n, a(n) for n=1..105.

Eric Weisstein's World of Mathematics, Jinc Function

Example

2.2999103302284109149...

Mathematica

x0 = x /. FindRoot[3x*BesselJ[0, x] + (x^2 - 6)*BesselJ[1, x] == 0, {x, 2}, WorkingPrecision -> 105]; RealDigits[x0][[1]] (* Jean-François Alcover, Oct 26 2012, after Eric W. Weisstein *)

Prog

(PARI) solve(x=2, 3, 3*x*besselj(0, x)+(x^2-6)*besselj(1, x)) \\ Charles R Greathouse IV, Feb 19 2014

Crossrefs

Sequence in context: A203904 A104681 A056856 * A229594 A059199 A010765

Adjacent sequences: A133917 A133918 A133919 * A133921 A133922 A133923

Keyword

nonn,cons

Author

Eric W. Weisstein, Sep 28 2007

Status

approved