text: 
  import numpy as np
  import hmc
  params = hmc.HMCParams(
      tau = 0.05,
      tau_g = 0.10,
      L = 5,
      eta = 0.00025,
      mass = 1,#np.hstack((np.array((0.1, 1)), np.repeat(2, 28))),
      r_clip = 2.5,
      grad_clip = 6.0,
      # tau = 0.05,
      # tau_g = 0.10,
      # L = 5,
      # eta = 0.0002,
      # mass = np.hstack((np.array((0.1, 1)), np.repeat(2, 28))),
      # r_clip = 3.1,
      # grad_clip = 6.0,
  )
  