182aa8f209023c3cdd5e14f897306bafcb8b3ced,framework/Optimizers/SPSA.py,SPSA,angleBetween,#SPSA#Any#Any#Any#,204

Before Change

    v1, v2 = np.zeros(shape=[nVar,]), np.zeros(shape=[nVar,])
    for cnt, var in enumerate(self.getOptVars()):
      v1[cnt], v2[cnt] = copy.deepcopy(d1[var]), copy.deepcopy(d2[var])
    angle = np.arccos(np.dot(v1, v2)/np.linalg.norm(v1)/np.linalg.norm(v2))
    if np.isnan(angle):
      if (v1 == v2).all():
        angle = 0.0
      else:

After Change

      angle = 0
    else:
      dot = np.dot(v1, v2)/np.linalg.norm(v1)/np.linalg.norm(v2)
      angle = np.arccos(np.clip(dot, -1, 1))
    angleD = np.rad2deg(angle)
    return angleD

  def _bisectionForConstrainedInput(self, traj, varK, ak, vector):

Instances