發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : On gramians and balanced truncation of discrete-time bilinear systems