發送短信 : Stability of arbitrarily switched discrete-time linear singular systems of index-1

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