Recent questions tagged lu-decomposition

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1 answer
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In the LU decomposition of the matrix,$\begin{bmatrix} 1 &2 \\ 3 &8 \end{bmatrix}$ if the diagonal elements of $U$ are both $1$, then the trace of $L$ is$?$
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$\begin{pmatrix}4&3 \\6&3 \end{pmatrix}$What is the sum of all the elements of the $L$ and $U$ matrices as obtained in the L U decomposition?$16$$10$$9$$6$
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