發送短信 : Dynamic formation control over directed networks using graphical Laplacian approach

 _    _     _____    ______    _    _    _____    
| || | ||  |  ___|| |      \\ | || | || |  __ \\  
| || | ||  | ||__   |  --  // | || | || | |  \ || 
| \\_/ ||  | ||__   |  --  \\ | \\_/ || | |__/ || 
 \____//   |_____|| |______//  \____//  |_____//  
  `---`    `-----`  `------`    `---`    -----`