Question: Find an LU factorization forA if one exists. Note that some computer algorithms do not compute LU factorizations in the same manner as presented here,

Find an LU factorization forA if one exists. Note that some computer algorithms do not compute LU factorizations in the same manner as presented here, so use caution. (A graphing calculator is recommended. Find L such that it has all 1's along the diagonal. If not possible, enter DNE into any cell of each matrix.) 15 3 21 1O 18 19 A = 5 7 15 5 13 46

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