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] /14Disp-Num
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    [1]  2019/06/27 22:49   Male / 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
    [2]  2019/06/08 02:47   Male / 60 years old level or over / - / Useful /
    Purpose of use
    Calculate the diameter of an optical Bessel beam formed by an axicon
    [3]  2019/02/10 04:57   Male / 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
    [4]  2018/11/04 22:11   Female / 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.
    [5]  2018/03/08 20:57   Male / 50 years old level / An engineer / Useful /
    Purpose of use
    dce
    [6]  2017/10/20 13:22   Male / 60 years old level or over / A retired people / Very /
    Purpose of use
    check my Matlab calculation for tutor class
    [7]  2016/09/16 22:48   Male / 20 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    Checking precision and bounds of routine that calculates roots of J
    [8]  2016/03/15 19:19   Male / 50 years old level / An engineer / Very /
    Purpose of use
    Design for in-house induction heating system for forging
    Comment/Request
    A smart Android phone
    [9]  2016/02/07 16:37   - / 20 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    Finding the zeros of bessel function
    Comment/Request
    I want a help on my project to find the workings on how to determine the zeros of bessel
    [10]  2015/10/14 02:22   Female / 30 years old level / A teacher / A researcher / Useful /
    Purpose of use
    finding zeros of bessels function

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