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Partial Matrix Refactorization
IEEE Transactions on Power Systems, 1986Partial refactorization methods update the LDU factors of a matrix to reflect changes In some Its elements. This paper presents two new partial refactorization methods for sparse matrices. Test results Indicate that they are significantly more efficient than existing techniques, and have the potential to speed up a number of important power system ...
Sherman M. Chan, Vladimir Brandwajn
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A systolic helix for matrix triangularisation with partial pivoting
Parallel Computing, 1990 A helical systolic array for triangularising a dense matrix using Gaussian elimination with partial pivoting is proposed. The design uses 2n − 1 real processors, (n −1)2 intelligent switching cells and requires O(n2) time. The design is then extended to a modified triangular array which uses O(n3) basic cells with O(n2) true processors the rest ...
Megson, G.M.
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Regularized matrix completion with partial side information
Neurocomputing, 2020 Abstract Side information has been shown useful for improving the performance of matrix completion applications. However, in most cases, only partial side information of either the column or row space is available. In this work, we propose a novel regularization based model to incorporate partial side information in matrix completion.
Kefu Yi +3 more
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