code: def rosen(x):
      t0 = 100 * (x[1:] - x[:-1] ** 2) ** 2
      t1 = (1 - x[:-1]) ** 2
      return np.sum(t0 + t1)
  
label_desc: Use image node_id 1 for calling a global function with example usage: rosen(x) and returns: np