Your goal is to use LUGUI to compute the LU decompositions of nine matrices with as little roundoff error as possible. Your score for each hole is norm(R,inf)+norm(Leps,inf)+norm(Ueps,inf) where R = L*U- A(p,q) is the residual and Leps and Ueps are the nonzeros that should be zero in L and U.

pivotgolf.m

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