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math.NA2018
Sampled Tikhonov Regularization for Large Linear Inverse Problems
J. Tanner Slagel, Julianne Chung, Matthias Chung +2
In this paper, we investigate iterative methods that are based on sampling of the data for computing Tikhonov-regularized solutions. We focus on very large inverse problems where a…
stat.CO2018★ 1 cited
A Nonstationary Designer Space-Time Kernel
Michael McCourt, Gregory Fasshauer, David Kozak
In spatial statistics, kriging models are often designed using a stationary covariance structure; this translation-invariance produces models which have numerous favorable properti…