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of 64
pro vyhledávání: '"Monzón, Lucas"'
We present a new adaptive method for electronic structure calculations based on novel fast algorithms for reduction of multivariate mixtures. In our calculations, spatial orbitals are maintained as Gaussian mixtures whose terms are selected in the pr
Externí odkaz:
http://arxiv.org/abs/1812.09284
We consider fast deterministic algorithms to identify the "best" linearly independent terms in multivariate mixtures and use them to compute, up to a user-selected accuracy, an equivalent representation with fewer terms. One algorithm employs a pivot
Externí odkaz:
http://arxiv.org/abs/1806.03226
We introduce a new functional representation of probability density functions (PDFs) of non-negative random variables via a product of a monomial factor and linear combinations of decaying exponentials with complex exponents. This approximate represe
Externí odkaz:
http://arxiv.org/abs/1707.07762
We introduce a new approximate multiresolution analysis (MRA) using a single Gaussian as the scaling function, which we call Gaussian MRA (GMRA). As an initial application, we employ this new tool to accurately and efficiently compute the probability
Externí odkaz:
http://arxiv.org/abs/1611.08580
Publikováno v:
Proceedings: Mathematical, Physical and Engineering Sciences, 2019 Jun 01. 475(2226), 1-15.
Externí odkaz:
https://www.jstor.org/stable/26789453
Publikováno v:
In Applied and Computational Harmonic Analysis September 2019 47(2):306-337
Publikováno v:
In Journal of Computational Physics 15 April 2019 383:94-124
Autor:
Monzon, Lucas
Perfect reconstruction filter banks can be used to generate a variety of wavelet bases. Using IIR linear phase filters one can obtain symmetry properties for the wavelet and scaling functions. In this paper we describe all possible IIR linear phase f
Externí odkaz:
http://arxiv.org/abs/1112.5214
Publikováno v:
In Remote Sensing of Environment November 2018 217:292-308
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