Library: Math, Bessel functions (OMBESSEL) Import: ombessel.xmd

Return type: OMX Returns:  A Bessel function of the first kind: order 0.

Declaration

  export external float function
       j0 value float x

Use j0 to calculate the Bessel function of the first kind (order 0) for any value of x.

Example:

  import "ombessel.xmd" unprefixed
  import "omfloat.xmd" unprefixed
  process
     local float x initial {17.5}
     local float j0-bessel
     set j0-bessel to j0 (x)
     output "A j0 Bessel function of "
         || "d" % x
         || " = "
         || "d" % j0-bessel
         || "%n"
  ; Output: "A j0 Bessel function of 17.5 = -0.103110398228686"

Other Library Functions    j0    j1    jn    y0    y1    yn

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