Given matrix $$A = \begin{pmatrix}1&2&2\\2&1&-2\\2&-2&1\end{pmatrix}$$ whose eigenvalues are $3,-3,-3$, how can I find a such a regular matrix $S$?
2026-03-31 13:14:47.1774962887
How do I find a matrix $S$ such that $S^\top A \, S$ is a diagonal matrix with entries $0,-1,1$?
46 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in MATRICES
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