• 2022-07-28
    已知观测值向量L的方差阵为,的协因数是,则单位权方差、、分别是ca8a964b84745b931c4eee017d60ec77.png8c40485122a7d511965e038b7d4c11d4.pngb6d9ba71ce5b6c54ca68947ff142ad3f.png049d77216f757c773f074ebe24fc179b.png24954988b74eac7f892f6c2942509a8d.png