  
  
  def dyn_ss_sol(sa: float, u: float, VM: VehicleModel) -> np.ndarray:
    """Calculate the steady state solution when x_dot = 0,
    Ax + Bu = 0 => x = A^{-1} B u
  
    Args:
      sa: Steering angle [rad]
      u: Speed [m/s]
      VM: Vehicle model
 
</s> remove     If the speed is too small we can't use the dynamic model (tire slip is undefined),
 </s> add     If the speed is too low we can't use the dynamic model (tire slip is undefined), </s> remove Dynamic bycicle model from "The Science of Vehicle Dynamics (2014), M. Guiggiani"
 </s> add Dynamic bicycle model from "The Science of Vehicle Dynamics (2014), M. Guiggiani" </s> remove     cF: Tire stiffnes Front [N/rad]
    cR: Tire stiffnes Front [N/rad]
 </s> add     cF: Tire stiffness Front [N/rad]
    cR: Tire stiffness Front [N/rad]
  Ax + Bu = 0 => x = -A^{-1} B u
  
  
  def dyn_ss_sol(sa: float, u: float, VM: VehicleModel) -> np.ndarray:
    """Calculate the steady state solution when x_dot = 0,
  Ax + Bu = 0 => x = -A^{-1} B u
  
    Args:
      sa: Steering angle [rad]
      u: Speed [m/s]
      VM: Vehicle model
keep keep keep keep replace keep keep keep keep keep
 Fxing some typos in vehicle_model.py comments (#20220) 
selfdrive/controls/lib/vehicle_model.py