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A Sobolev-type upper bound for rates of approximation by linear combinations of Heaviside plane waves.
Paul C. Kainen
Vera Kurková
Andrew Vogt
Published in:
J. Approx. Theory (2007)
Keyphrases
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linear combination
upper bound
basis functions
sparse approximation
lower bound
small number
weighted sum
constant factor
worst case
low order
sparse coding
branch and bound
set of basis functions
locally linear
approximation algorithms
higher order
dynamic programming