My professor gave us a list of a bunch of 2x2 matrices and asked if they were similar to the matrix $\begin{bmatrix} -1 & 0 \\ 0 & 1 \end{bmatrix}$. Is there a quick way to do this? I literally need so much help.
2026-04-02 05:58:31.1775109511
How to quickly tell if two matrices are similar?
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