發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Distributionally robust multi-item newsvendor problem with covariate information