b***k
发帖数: 2673 | 1 【 以下文字转载自 Mathematics 讨论区 】
发信人: blook (布鲁克), 信区: Mathematics
标 题: 线性代数一问
发信站: BBS 未名空间站 (Sun Mar 16 23:42:21 2014, 美东)
Given an arbitrary matrix A with dimension m x n,
what is the difference or relationship of A'*A and A*A'?
here A' is transpose of A.
obviousely both of them are symmetric, and they have identical eigenvalues.
but their eigenvectors are different which means eigenspace of both matrix
are distinct, right? | d*****1
发帖数: 1837 | 2 one is n by n, the other is m by m |
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