code: def _axes(x):
      """convert array of measured points ``x`` to a tuple of coordinate axes
  
      Args:
        x (ndarray): an array of shape ``(npts, dim)`` or ``(npts,)``
  
      Returns:
        tuple of arrays ``(x0, ..., xm)`` with ``m = dim-1`` and length ``npts``
      """
      import numpy as np
  
      x = np.asarray(x)
      if x.ndim == 1:
          return (x,)
      return tuple(x.T)
  
imports: from mystic.math import _rbf
label_desc: Use image node_id 15 for calling a global function with example usage: _axes(x) and returns: tuple, x