All 2×2 matrices satisfy the following equalitypic.twitter.com/6vlgtm8JXa
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This is a specific case of the more general form. For a characteristic polynomial p(x) = a_n x^n + ... + a_1 x + a_0*id, a_n = (-1)^n, a_{n-1} = -Trace(A), a_0 = (-1)^n det(A), all others can be written as traces of powers of A but it’s really messy in closed form
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Woops. I’ll read before I tweet next time! Appreciate all your tweets (:
Thanks. Twitter will use this to make your timeline better. UndoUndo
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