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! JYZO computes the zeros of Bessel functions Jn(x), Yn(x) and derivatives.
Licensing:
This routine is copyrighted by Shanjie Zhang and Jianming Jin. However,
they give permission to incorporate this routine into a user program
provided that the copyright is acknowledged.
Modified:
28 July 2012
Author:
Shanjie Zhang, Jianming Jin
Reference:
Shanjie Zhang, Jianming Jin,
Computation of Special Functions,
Wiley, 1996,
ISBN: 0-471-11963-6,
LC: QA351.C45.
Parameters:
Input, integer ( kind = 4 ) N, the order of the Bessel functions.
Input, integer ( kind = 4 ) NT, the number of zeros.
Output, real ( kind = 8 ) RJ0(NT), RJ1(NT), RY0(NT), RY1(NT), the zeros
of Jn(x), Jn'(x), Yn(x), Yn'(x).
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| integer(kind=4) | :: | n | ||||
| integer(kind=4) | :: | nt | ||||
| real(kind=8) | :: | rj0(nt) | ||||
| real(kind=8) | :: | rj1(nt) | ||||
| real(kind=8) | :: | ry0(nt) | ||||
| real(kind=8) | :: | ry1(nt) |