Bessel function (zeros) Calculator

Calculates the positive zeros of the Bessel functions Jv(x) and Yv(x).

Bessel function (zeros)
order v
    1. v≦200
ordinal number s
    1. of zeros
      (s=1,2,..)

    Bessel function (zeros)
    [1-10] /19Disp-Num
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    [1]  2021/11/10 07:37   60 years old level or over / An engineer / A little /
    Purpose of use
    solving an exam question - prompted interest
    [2]  2021/10/20 13:14   Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    long story, involving tuning drums in marching band. essentially i'm trying to understand the normal modes of a vibrating circular membrane
    [3]  2021/03/23 15:53   60 years old level or over / A homemaker / Very /
    Purpose of use
    value confirmation for software
    Comment/Request
    Wrote a small app. to calculate Besse3l zeroes and needed a reference to confirm my calculations.
    [4]  2020/06/04 12:48   60 years old level or over / An engineer / Very /
    Purpose of use
    Calculating the image of a slit produced by a diffraction-limited optical system.
    [5]  2020/02/02 22:22   50 years old level / A teacher / A researcher / Very /
    Purpose of use
    Calculate mass diffusion in hollow cylinders in physical metallurgy problem.
    [6]  2019/06/27 13:49   50 years old level / An engineer / Very /
    Purpose of use
    zeros approximation of J0(x) :
    x(k) = k * pi - pi/4 +1 / ( c * k ) with c = - 1 / ( k / (2 * PI )+ 1 / 24 ) + log (PI-2) + 25
    k = 1,2,3...+oo
    [7]  2019/06/07 17:47   60 years old level or over / - / Useful /
    Purpose of use
    Calculate the diameter of an optical Bessel beam formed by an axicon
    [8]  2019/02/09 19:57   20 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    To find an approximation for the 14th order roots to aid in coding assignment for MATLAB
    [9]  2018/11/04 13:11   Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    Check actual value against a value obtained by iterations on a programme.
    [10]  2018/03/08 11:57   50 years old level / An engineer / Useful /
    Purpose of use
    dce

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