56 citations · 196 across the 25 of their papers we have counts for
Showing 2018Show all
2 papers · 1 filter
math.NA2018
Conditioning of partial nonuniform Fourier matrices with clustered nodes
Dmitry Batenkov, Laurent Demanet, Gil Goldman +1
We prove sharp lower bounds for the smallest singular value of a partial Fourier matrix with arbitrary "off the grid" nodes (equivalently, a rectangular Vandermonde matrix with the…
math.NA2018★ 9 cited
Stable soft extrapolation of entire functions
Dmitry Batenkov, Laurent Demanet, Hrushikesh N. Mhaskar
Soft extrapolation refers to the problem of recovering a function from its samples, multiplied by a fast-decaying window and perturbed by an additive noise, over an interval which…