code: def _array(x):  # XXX: remove?
      """convert lists or values to numpy arrays
  
      Args:
        x (list): a list of values (or a scalar value)
  
      Returns:
        ``x`` cast as a ``numpy`` array (or ``numpy`` scalar)
      """
      import numpy as np
  
      return np.asarray(x)
  
imports: from mystic.math import _rbf
label_desc: Use image node_id 7 for calling a global function with example usage: _array(x) and returns: np