Playing around with matlab, I see that the last row of $L^{-1}$ where $L$ is the part of the $LU$ decomposition is colinear with the last column of $Q$, in the matrix's $QR$ decomposition. Is there a reason for this?
2026-03-26 09:41:04.1774518064
$L^{-1}$ in $LU$ decomposition relationship with $Q$ in $QR$ decomposition
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