Library: Math - Bessel functions (OMBESSEL) legacy Include: ombessel.xin

Return type: OMX Returns:  A Bessel function of the second kind: order 0. Returns NaN for values of x that are <= 0.

Declaration

  define external float function
       y0 value float x

Use y0 to calculate the Bessel function of the second kind (order 0) for any value of x.

Example:

  include "ombessel.xin"
  process
     local float x initial {17.5}
     local float y0-bessel
     set y0-bessel to y0 (x)
     output "A y0 Bessel function of "
         || "d" % x
         || " = "
         || "d" % y0-bessel
         || "%n"
  ; Output: "A y0 Bessel function of 17.5 = -0.160411192505011"

Other Library Functions    j0    j1    jn    y0    y1    yn

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