發送短信 : Controllability and stability of the perturbed Chen chaotic dynamical system

  _____    __   __   _    _     _____     ____    
 |__  //   \ \\/ // | |  | ||  |  ___||  |  _ \\  
   / //     \ ` //  | |/\| ||  | ||__    | |_| || 
  / //__     | ||   |  /\  ||  | ||__    | .  //  
 /_____||    |_||   |_// \_||  |_____||  |_|\_\\  
 `-----`     `-`'   `-`   `-`  `-----`   `-` --`