Formal Derivation of LU Factorization with Pivoting

Published 6 Apr 2023 in cs.MS | (2304.03068v1)

Abstract: The FLAME methodology for deriving linear algebra algorithms from specification, first introduced around 2000, has been successfully applied to a broad cross section of operations. An open question has been whether it can yield algorithms for the best-known operation in linear algebra, LU factorization with partial pivoting (Gaussian elimination with row swapping). This paper shows that it can.

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