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Let the sum of the elements of the third order real symmetric matrix A be 3

匿名用户 最后更新于 2021-09-06 01:30 数学类Mathematics

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Let the sum of the elements of the third order real symmetric matrix A be 3. Vector A =(1,2),a2=(0,-1,) are two solutions of the linear equations Ax=0. ()Find the eigenvalue and eigenvector of A; (2)Find the orthogonal matrix Q and diagonal matrix A, so that QAQ=A.:


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