code: def bessel_yn(n, x, queue=None):
      result = x._new_like_me(queue=queue)
      result.add_event(_bessel_yn(result, n, x, queue=queue))
      return result
  
imports: import pyopencl.array
  import pyopencl.elementwise
  from pyopencl.array import _get_common_dtype
  import numpy
label_desc: Use image node_id 18 for calling a global function with example usage: bessel_yn(n, x, queue) and returns: result