code: def new_for_fk10_fig9(cls, shlib_path):
          
          inst = (cls(shlib_path)
              .set_thermal_background(2.1e7, 3e9)
              .set_bfield(48)
              .set_edist_powerlaw(0.016, 4.0, 3.7, 5e9/3)
              .set_freqs(100, 0.5, 50)
              .set_hybrid_parameters(12, 12)
              .set_ignore_q_terms(False)
              .set_obs_angle(50 * np.pi / 180)
              .set_padist_gaussian_loss_cone(0.5 * np.pi, 0.4)
              .set_trapezoidal_integration(15))
  
          # haven't yet figure out how to deal with this part:
          inst.in_vals[0] = 1.33e18
          inst.in_vals[1] = 6e8
          return inst
docs: Create a calculator initialized to reproduce Figure 9 from FK10.
  
          This is mostly to provide a handy way to create a new
          :class:`Calculator` instance that is initialized with reasonable
          values for all of its parameters.