n维列向量u设u是n维列向量,a,b是数,求(1)[En-au(uT)][En-bu(uT)]; (2)当a取何值时,矩阵[En-au(uT)]可逆?补充:(1)En是主对角线元全是1的对角矩阵(2)uT是u的转置
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![n维列向量u设u是n维列向量,a,b是数,求(1)[En-au(uT)][En-bu(uT)]; (2)当a取何值时,矩阵[En-au(uT)]可逆?补充:(1)En是主对角线元全是1的对角矩阵(2)uT是u的转置](/uploads/image/z/2652433-25-3.jpg?t=n%E7%BB%B4%E5%88%97%E5%90%91%E9%87%8Fu%E8%AE%BEu%E6%98%AFn%E7%BB%B4%E5%88%97%E5%90%91%E9%87%8F%2Ca%2Cb%E6%98%AF%E6%95%B0%2C%E6%B1%82%281%29%5BEn-au%28uT%29%5D%5BEn-bu%28uT%29%5D%3B+%282%29%E5%BD%93a%E5%8F%96%E4%BD%95%E5%80%BC%E6%97%B6%2C%E7%9F%A9%E9%98%B5%5BEn-au%28uT%29%5D%E5%8F%AF%E9%80%86%3F%E8%A1%A5%E5%85%85%EF%BC%9A%281%29En%E6%98%AF%E4%B8%BB%E5%AF%B9%E8%A7%92%E7%BA%BF%E5%85%83%E5%85%A8%E6%98%AF1%E7%9A%84%E5%AF%B9%E8%A7%92%E7%9F%A9%E9%98%B5%282%29uT%E6%98%AFu%E7%9A%84%E8%BD%AC%E7%BD%AE)
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