Question: Suppose PA = LU P = [0 1 0; 1 0 0; 0 0 1] L = [1 0 0; 2 2 0; 3 3

Suppose PA = LU

P = [0 1 0; 1 0 0; 0 0 1]

L = [1 0 0; 2 2 0; 3 3 3]

U = [ 1 1 1; 0 1 1; 0 0 1]

Suppose b is a vector b = [4; 2; 3]

Find a vector v such that A*v = b?

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