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04/23/2020
On the adaptive spectral approximation of functions using redundant sets and frames
The approximation of smooth functions with a spectral basis typically le...
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04/07/2020
Efficient function approximation on general bounded domains using wavelets on a cartesian grid
Fourier extension is an approximation method that alleviates the periodi...
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12/08/2019
The AZ algorithm for least squares systems with a known incomplete generalized inverse
We introduce an algorithm for the least squares solution of a rectangula...
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11/18/2019