-minimization for sparse approximation of polynomial chaos expansions.

Ling Guo Akil Narayan Tao Zhou

Published in: J. Comput. Phys. (2018)

Keyphrases

sparse approximation
orthogonal matching pursuit
linear combination
noise model
gaussian process
sparse coding
convex relaxation
objective function
multiscale
sparse representation
marginal likelihood
object recognition
supervised learning
bayesian framework
ls svm