Question: Find an LU factorization of the matrices (with L unit lower triangular). Note that MATLAB will usually produce a permuted LU factorization because it uses

Find an LU factorization of the matrices (with L unit lower triangular). Note that MATLAB will usually produce a permuted LU factorization because it uses partial pivoting for numerical accuracy.


2-4 2 15 5 -4 4 -6-2

2-4 2 15 5 -4 4 -6-2

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