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Sampling and multilevel coarsening algorithms for fast matrix approximations.
Shashanka Ubaru
Yousef Saad
Published in:
CoRR (2017)
Keyphrases
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significant improvement
computationally efficient
learning algorithm
random sampling
computational cost
computational complexity
theoretical analysis
linear algebra
sampling strategy
search algorithm
worst case
image segmentation
orders of magnitude
covariance matrix
matrix factorization
data mining
sampled data