code: def compute_root_from_lambda(lamb):
      tmp = np.sqrt(3 + 144 * lamb)
      xi = 1 - 96 * lamb + 24 * lamb * tmp
      omega = np.arctan(np.sqrt((144 * lamb - 1.0) / xi))
      tmp2 = np.sqrt(xi)
      r = (
          (24 * lamb - 1 - tmp2)
          / (24 * lamb)
          * np.sqrt((48 * lamb + 24 * lamb * tmp))
          / tmp2
      )
      return r, omega
  
imports: import cupy
  import cupyx.scipy.ndimage
  from cupyx.scipy.signal._iir_utils import apply_iir_sos
  from cupyx.scipy.signal._splines import _symiirorder1_nd, _symiirorder2_nd
  from cupyx.scipy.interpolate._bspline import BSpline
  import numpy
label_desc: Use image node_id 10 for calling a global function with example usage: compute_root_from_lambda(lamb) and returns: r,  omega