• 2022-06-07
    设随机向量[img=117x27]1803784ae6840cf.png[/img]的协差阵为 [img=180x71]1803784af31ab91.png[/img]则相关阵R为
    A: [img=184x71]1803784aff42b35.png[/img]
    B: [img=202x71]1803784b0a857d4.png[/img]
    C: [img=184x71]1803784b15fa373.png[/img]
    D: [img=184x71]1803784b2129cf1.png[/img]