Let Q be a n by n positive definite or positive semi definite matrix and g be a vector in $R^{n}$.
Is there a closed form to get x?
$g^{T}Q^{k}g = x(g^{T}Qg)$
where k is a some integer number.
2026-04-08 00:39:50.1775608790
Closed form for matrix multiplication
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