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Fast Hierarchical Solvers For Sparse Matrices Using Extended Sparsification and Low-Rank Approximation.
Hadi Pouransari
Pieter Coulier
Eric Darve
Published in:
SIAM J. Sci. Comput. (2017)
Keyphrases
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sparse matrices
low rank approximation
singular value decomposition
floating point
linear algebra
data sets
rows and columns
least squares
spectral clustering
kernel matrix
clustering algorithm
cluster analysis
low rank