Python LearningElementsRef.computeHessianLogZ Beispiele

Beispiel #1

Datei: learning_traj_elements_test.py Projekt: zhoubaozhou/Path-Inference-Filter

def test_hess_traj4_1():
  """ test_hess_traj4_1 """
  traj = simple_traj4()
  theta = np.array([0.0, -1.0])
  choices = [1, 0, 2]
  elts = LearningElements(traj, theta, choices)
  elts.computeHessianLogZ()
  elts_ref = LearningElementsRef(traj, theta, choices)
  elts_ref.computeHessianLogZ()
  h = elts.hess_logZ
  h_ref = elts_ref.hess_logZ
  assert(np.abs(h - h_ref).max() < 1e-3), (h, h_ref)

Beispiel #2

Datei: learning_traj_elements_test.py Projekt: zhoubaozhou/Path-Inference-Filter

def test_hess_traj8_2():
  """ test_hess_traj8_2 """
  traj = simple_traj8()
  theta = np.array([0.0])
  choices = [1, 0]
  elts = LearningElementsSecure(traj, theta, choices)
  elts.computeHessianLogZ()
  elts_ref = LearningElementsRef(traj, theta, choices)
  elts_ref.computeHessianLogZ()
  h = elts.hess_logZ
  h_ref = elts_ref.hess_logZ
  assert(np.abs(h - h_ref).max() < 1e-3), \
    (h, h_ref, elts.hess_Z, elts_ref.hess_Z, \
     elts.grad_Z, elts_ref.grad_Z, elts.Z, elts_ref.Z,)

Beispiel #3

Datei: learning_traj_elements_test.py Projekt: zhoubaozhou/Path-Inference-Filter

 def res(theta):
   """ inner closure. """
   elts = LearningElementsRef(traj, theta, choices)
   elts.computeHessianLogZ()
   return elts.hess_Z