Results 61 to 70 of about 343,728 (300)
A multiphase CMAQ version 5.0 adjoint.
Geoscientific Model Development, 2019 We present the development of a multiphase adjoint for the Community Multiscale Air Quality (CMAQ) model, a widely used chemical transport model. The adjoint model provides location- and time-specific gradients that can be used in various applications ...
Shunliu Zhao +17 more
semanticscholar +1 more source
Advanced Intelligent Discovery, EarlyView.This article investigates how persistent homology, persistent Laplacians, and persistent commutative algebra reveal complementary geometric, topological, and algebraic invariants or signatures of real‐world data. By analyzing shapes, synthetic complexes, fullerenes, and biomolecules, the article shows how these mathematical frameworks enhance ...
Yiming Ren, Guo‐Wei Wei
wiley +1 more source
Revue d'Études Autochtones, 2022 Au milieu du xixe siècle, l’ouverture du Saguenay et de la Côte-Nord à la colonisation entraîne une dégradation de la santé autochtone. Devant les ravages engendrés par prolifération des épidémies, le département des Affaires indiennes est appelé à ...
Mathieu Arsenault
doaj +1 more source
Optimal control of fractional systems: a diffusive formulation [PDF]
, 2010 Optimal control of fractional linear systems on a finite horizon can be classically formulated using the adjoint system. But the adjoint of a causal fractional integral or derivative operator happens to be an anti-causal operator: hence, the adjoint ...
Matignon, Denis
core
Advanced Intelligent Systems, EarlyView.This paper proposes a novel control framework to ensure safety of a robotic swarm. A feedback optimization controller is capable of driving the swarm toward a target density while keeping risk‐zone exposure below a safety threshold. Theory and experiments show how safety is more effectively achieved for sparsely connected swarms.
Longchen Niu, Gennaro Notomista
wiley +1 more source
Advanced Physics Research, EarlyView.Two methods for the optimization of chiral reflection by a metamaterial made of either GaP/Air or PMMA/Air interfaces are compared, showing approaches towards fast design exploration and high‐performance results: a neural‐network pipeline and a genetic algorithm. The structures considered are characterized by a periodic, chiral texturation with a shape
Davide Filippozzi +4 more
wiley +1 more source
Criminologie, 2022 Le 6 octobre 2020, à l’instar d’une quarantaine d’États, Québec donna son feu vert à une application de traçage des contacts basée sur une technologie d’Apple et Google pour combattre la COVID-19. Les applications de traçage soulèvent toutefois plusieurs
Simon Hogue
doaj +1 more source
Probability density adjoint for sensitivity analysis of the Mean of Chaos
, 2014 Sensitivity analysis, especially adjoint based sensitivity analysis, is a powerful tool for engineering design which allows for the efficient computation of sensitivities with respect to many parameters.
Blonigan, Patrick, Wang, Qiqi
core +1 more source
Coordinate representation for non Hermitian position and momentum operators [PDF]
, 2017 In this paper we undertake an analysis of the eigenstates of two non self-adjoint operators $\hat q$ and $\hat p$ similar, in a suitable sense, to the self-adjoint position and momentum operators $\hat q_0$ and $\hat p_0$ usually adopted in ordinary ...
Bagarello, F. +3 more
core +2 more sources
Asian Journal of Control, EarlyView.Abstract The linear‐quadratic regulator (LQR) problem of optimal control of an uncertain discrete‐time linear system (DTLS) is revisited in this paper from the perspective of Tikhonov regularization. We show that an optimally chosen regularization parameter reduces, compared to the classical LQR, the values of a scalar error function, as well as the ...
Fernando Pazos, Amit Bhaya
wiley +1 more source