Zobrazeno 1 - 10
of 133
pro vyhledávání: '"Fabio Nobile"'
Autor:
Davide Pradovera, Fabio Nobile
Publikováno v:
Journal of Mathematics in Industry, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract In the field of model order reduction for frequency response problems, the minimal rational interpolation (MRI) method has been shown to be quite effective. However, in some cases, numerical instabilities may arise when applying MRI to build
Externí odkaz:
https://doaj.org/article/babb17d984c64747b93d7b819d6b76ee
Autor:
Fabio Nobile, Matthieu Martin
Publikováno v:
SIAM/ASA Journal on Uncertainty Quantification. 9:979-1012
We consider an optimal control problem (OCP) for a partial differential equation (PDE) with random coefficients. The optimal control function is a deterministic, distributed forcing term that minim...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cb26f7d718bf83b989f594fb97ed7d2
https://doi.org/10.1137/18m1224076
https://doi.org/10.1137/18m1224076
Publikováno v:
BIT Numerical Mathematics. 60:1153-1201
In this paper we propose a dynamical low-rank strategy for the approximation of second order wave equations with random parameters. The governing equation is rewritten in Hamiltonian form and the approximate solution is expanded over a set of 2S dyna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d11ff2fa3f49d5259da5d9b990302b7e
https://doi.org/10.1007/s10543-020-00811-6
https://doi.org/10.1007/s10543-020-00811-6
Publikováno v:
ESAIM: Mathematical Modelling and Numerical Analysis. 54:649-677
Weighted least squares polynomial approximation uses random samples to determine projections of functions onto spaces of polynomials. It has been shown that, using an optimal distribution of sample locations, the number of samples required to achieve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e2f955b650470d3430e8f69545ff8fc
https://doi.org/10.1051/m2an/2019045
https://doi.org/10.1051/m2an/2019045
Publikováno v:
Oberwolfach Reports. 16:695-772
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::256bee8fb5f3f0a40d815bc46e628177
https://doi.org/10.4171/owr/2019/12
https://doi.org/10.4171/owr/2019/12
We study the consistency of the estimator in spatial regression with partial differential equa-tion (PDE) regularization. This new smoothing technique allows to accurately estimate spatial fields over complex two-dimensional domains, starting from no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::807565c07e4729966869f2bf93a218cc
http://hdl.handle.net/11311/1205242
http://hdl.handle.net/11311/1205242
In this work, we consider the problem of estimating the probability distribution, the quantile or the conditional expectation above the quantile, the so called conditional-value-at-risk, of output quantities of complex random differential models by t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::010d6d61d3a18701bcf72e480fabceba
Autor:
Fabio Nobile, Tommaso Vanzan
The discretization of robust quadratic optimal control problems under uncertainty using the finite element method and the stochastic collocation method leads to large saddle-point systems, which are fully coupled across the random realizations. Despi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bdf450de5eff05f09b570fb796be46ca
http://arxiv.org/abs/2110.07362
http://arxiv.org/abs/2110.07362
Autor:
Christian Vergara, Simone Stella, Massimiliano Maines, Pasquale Claudio Africa, Domenico Catanzariti, Cristina Demattè, Maurizio Centonze, Fabio Nobile, Alfio Quarteroni, Maurizio Del Greco
Publikováno v:
Medicalbiological engineeringcomputing. 60(8)
This work dealt with the assessment of a computational tool to estimate the electrical activation in the left ventricle focusing on the latest electrically activated segment (LEAS) in patients with left bundle branch block and possible myocardial fib
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24fbb937aaf4861b94e0ace179b5befa
https://pubmed.ncbi.nlm.nih.gov/35729476
https://pubmed.ncbi.nlm.nih.gov/35729476
Publikováno v:
Statistics and computing 31(5), 67 (2021). doi:10.1007/s11222-021-10042-6
In the current work we present two generalizations of the Parallel Tempering algorithm, inspired by the so-called continuous-time Infinite Swapping algorithm. Such a method, found its origins in the molecular dynamics community, and can be understood
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d35df26bfc52fa60236bdcbda89cbf3
https://doi.org/10.1007/s11222-021-10042-6
https://doi.org/10.1007/s11222-021-10042-6