举一反三
- 设矩阵[tex=7.786x3.5]59Kc+wt/w/lXK3ncoinsUSvqqnE0sx9/xy4ybs7JgR8WZNIBSdz4KlE4xSKjO249lQbPDS/JYeZEGELOVmTuhdZecXEf9RAwlpIEHpGHUHQx+n9l5SRui0YlU/77XxiQ[/tex],满足[tex=8.071x1.286]dfYToJ7qrutXLMZ+kuKMbpgOx2pwXdX5ask7HUgpDOI=[/tex],求矩阵[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]。
- 设矩阵[tex=10.286x3.929]r+tiAx6ClSaeP7cZbqpjmU2jA8OfocZwi1HjRH+Ylr2XvckDNXltPwV5JFJ+Ly07gOR43TRiiKsRQVHTf91QqbOE+NRimz/nYtjLvyaMLTEnfTdtd9wtRT5d840Dj9z+[/tex],矩阵[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]满足[tex=7.643x1.286]mdLdzaMkJ0bZ1Q+PvHfNXvayLD3A1ZlECG2+4G0qDxY=[/tex],试求矩阵[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]。
- 已知[tex=10.286x3.929]No14tepOrgpLFcwU7iwUQXkpoWXFLxwVzHdHg8BDVo5GAGM1dLm6xRZkDfNKQaQ7hJ4kZrLrKCSq4ew4VO5DHh+KsjxR6UKsmK/1Z34hJX6y+VVKJiFRkKMHNMnaShTN[/tex],矩阵[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]满足[tex=7.643x1.286]mdLdzaMkJ0bZ1Q+PvHfNXvayLD3A1ZlECG2+4G0qDxY=[/tex],其中[tex=1.143x1.286]5WX0zEPSvFFLZ40WpRWDWQ==[/tex]是[tex=0.786x1.286]pi/GsQ3apuRt43V3XQq/tA==[/tex]的伴随矩阵,求矩阵[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]。
- 设[tex=0.786x1.286]pi/GsQ3apuRt43V3XQq/tA==[/tex]和[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]满足[tex=8.071x1.286]ZFZ1SaC6kd2T0Ebx6nk4oA==[/tex],其中[tex=7.429x3.5]hB8sGfF8hpZRTKdvt1J/eLooTJlNrACsljScXK0Q7I2OknX2pkZZo8oHzLPkuXolKmJlgUX+TxX8OPkHG7gJ3vu9INNl987j1B7mc/EDcyi8Oq7505HTz54mn7xyRfRu[/tex],求矩阵[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex] .
- 解矩阵方程:设[tex=10.143x3.643]59Kc+wt/w/lXK3ncoinsUetnujNMGf4BUy0pvEK238HUoXjmhK3rf6jMt+zWGm//Chts/6v3raGz1QMMTKPGOKs5hzlgGDyRoYI+TPRcJ4H8RJyiEN4KYk9l4xY22gwZ[/tex],[tex=8.5x2.786]5r++XJAcuvJz2i0YNLewGjArNQ3n2mWUD3PcoV0oHrFFAHU3rsfbmBDPxFzbpzY9aktuXPNAs8hVzgu6vmdWwGO3yV1qmv/+4QGk1EP75UM=[/tex],求[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]使[tex=3.714x1.286]CSICXCAGvOMBRSN5m+G9IQ==[/tex]。
内容
- 0
设随机变量 [tex=5.714x1.357]nxeXagk5tZTS5rhY2Z7j8aaCspGGdGHqn1V+B2jzzpo=[/tex] 现在对 [tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex] 进行 4 次独立观测,试求其中至少有 3 次观测值大于 5 的概率.
- 1
set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为? A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- 2
求解下列矩阵对策,其中赢得矩阵 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex] 为$\left[\begin{array}{llll}2 & 7 & 2 & 1 \\ 2 & 2 & 3 & 4 \\ 3 & 5 & 4 & 4 \\ 2 & 3 & 1 & 6\end{array}\right]$
- 3
解矩阵方程:设[tex=8.571x3.643]59Kc+wt/w/lXK3ncoinsUQ2jYDI0FWaxU84o1BsTZqQPJsS4C1t/DB2Pa2g/ei6MJbjbilww0H21C6SfLB2l+IlLmbgUi6MDPnXyaeVsTzT8xeNt9QFKY/Jt0VJTbImy[/tex],[tex=7.071x3.643]HJammJSW6EkxRCluDbVEjsRhwsc/PMB9Ef6wRcUE+9WSLVeTqk4XrSLpNbUwUM8KA1S+9MRdqVdbdqsW0CV/Xgc9zkcawnuKxWeh7xG0K7w=[/tex],求[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]使[tex=3.714x1.286]K+fSbsS3sMnLaOoXAZeadw==[/tex]。
- 4
>>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']