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Approximation of multivariate periodic functions by trigonometric polynomials based on rank-1 lattice sampling.
Lutz Kämmerer
Daniel Potts
Toni Volkmer
Published in:
J. Complex. (2015)
Keyphrases
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basis functions
series expansion
low rank approximation
closed form
uniform sampling
lagrange interpolation
continuous functions
approximation algorithms
approximation error
piecewise polynomial
regression model
rank order
lattice structure