Letteratura scientifica selezionata sul tema "Problème de minimisation"
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Articoli di riviste sul tema "Problème de minimisation"
Malassis, Louis. "Politiques et stratégies alimentaires". Économies et Sociétés. Série Progrès en agriculture 19, n. 718 (1985): 3–22. http://dx.doi.org/10.3406/esag.1985.1638.
Testo completoBouglet, Tania, Thomas Lanzi e J. C. Vergnaud. "Incertitude scientifique et décision publique : le recours au Principe de précaution". Recherches économiques de Louvain 72, n. 2 (2006): 109–27. http://dx.doi.org/10.1017/s0770451800044602.
Testo completoChouaf, Seloua, e Youcef Smara. "Méthode de sélection des bandes à base de l'Analyse en Composantes Indépendantes appliquée aux images hyperspectrales de télédétection". Revue Française de Photogrammétrie et de Télédétection, n. 204 (8 aprile 2014): 57–62. http://dx.doi.org/10.52638/rfpt.2013.22.
Testo completoAlbers, C. J., F. Critchley e J. C. Gower. "Quadratic minimisation problems in statistics". Journal of Multivariate Analysis 102, n. 3 (marzo 2011): 698–713. http://dx.doi.org/10.1016/j.jmva.2009.12.018.
Testo completoDeBenedictis, Andrew, e Timothy J. Atherton. "Shape minimisation problems in liquid crystals". Liquid Crystals 43, n. 13-15 (28 luglio 2016): 2352–62. http://dx.doi.org/10.1080/02678292.2016.1209699.
Testo completoMcDiarmid, Colin. "Pattern minimisation in cutting stock problems". Discrete Applied Mathematics 98, n. 1-2 (ottobre 1999): 121–30. http://dx.doi.org/10.1016/s0166-218x(99)00112-2.
Testo completoHill, Robin D. "Dual periodicity in -norm minimisation problems". Systems & Control Letters 57, n. 6 (giugno 2008): 489–96. http://dx.doi.org/10.1016/j.sysconle.2007.11.007.
Testo completoAussel, D., e C. C. Chou. "Asymptotical well behaviour for constrained minimisation problems". Bulletin of the Australian Mathematical Society 66, n. 3 (dicembre 2002): 499–516. http://dx.doi.org/10.1017/s000497270004034x.
Testo completoAlbers, C. J., F. Critchley e J. C. Gower. "Applications of quadratic minimisation problems in statistics". Journal of Multivariate Analysis 102, n. 3 (marzo 2011): 714–22. http://dx.doi.org/10.1016/j.jmva.2010.11.009.
Testo completoHuy, N. Q., V. Jeyakumar e G. M. Lee. "Sufficient global optimality conditions for multi-extremal smooth minimisation problems with bounds and linear matrix inequality constraints". ANZIAM Journal 47, n. 4 (aprile 2006): 439–50. http://dx.doi.org/10.1017/s1446181100010063.
Testo completoTesi sul tema "Problème de minimisation"
Benaim, Abderrahim. "Unicité pour un problème de minimisation à valeurs dans Sn". Metz, 1996. http://www.theses.fr/1996METZ018S.
Testo completoWe study the uniqueness problem for minimizers of the Landau-Lifshitz model in ferromagnetism. Under certain assumptions on the external field, we characterize all the cases where the uniqueness fails to hold. This characterization takes a very explicit and simple form when the impage of the maps lies in two-dimentional sphere. We apply the general result for some concrete problems, notably in the presence of axial symmetry. In the last part of the thesis we apply our techniques for the study of a problem with boundary data
Coppa, Bertrand. "Sur quelques applications du codage parcimonieux et sa mise en oeuvre". Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00934823.
Testo completoVenturelli, Andrea. "Application de la minimisation de l'action au problème des N corps dans le plan et dans l'espace". Paris 7, 2002. http://www.theses.fr/2002PA077190.
Testo completoHaberkorn, Thomas. "Transfert orbital à poussée faible avec minimisation de la consommation : résolution par homotopie différentielle". Toulouse, INPT, 2004. http://www.theses.fr/2004INPT031H.
Testo completoGryson, Alexis. "Minimisation d'énergie sous contraintes : applications en algèbre linéaire et en contrôle linéaire". Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2009. http://tel.archives-ouvertes.fr/tel-00424947.
Testo completoRachdi, Nabil. "Apprentissage statistique et computer experiments : approche quantitative du risque et des incertitudes en modélisation". Toulouse 3, 2011. http://thesesups.ups-tlse.fr/1538/.
Testo completoThis thesis work consists in gathering statistical learning theory with the field of computer experiments. As the considered computer codes are only known through simulations, we propose an original statistical framework, including the classical ones, which takes into account the simulation aspect. We investigate learning algorithms for parameter estimation in computer codes which depend on both observed and simulation data. We validate these algorithms by proving excess risk bounds using concentration inequalities. We also study the duality between the estimation procedure and the wanted feature prediction. Here, we try to understand the impact of an estimation procedure on some given characteristic of the phenomenon of interest. Finally, the computation of optimal parameters in practice involves the minimization of a criterion which is generally highly non convex and with irregularities. We propose a stochastic algorithm which consists in combining regularization methods with a stochastic approximation method like the Kiefer-Wolfowitz one
Gryson, Alexis. "Minimisation d'énergie sous contraintes : applications en algèbre linéaire et en contrôle linéaire". Electronic Thesis or Diss., Lille 1, 2009. http://www.theses.fr/2009LIL10034.
Testo completoThe Zolotarev problem with respect to discrete sets arises naturally to describe both the convergence rate of the ADI method, to compute approximation of various functions of matrices and to quantify the decreasing rate of singular values of structured matrices. Moreover, the theory of model reduction is a key problem in linear control theory, and the quality of the approximation of continuous stationnary linear dynamical system might be predicted with the computation of the solution of a Sylvester equation. Once proved the existence of a minimizer for the third Zolotarev problem with respect to discrete sets, we give the weak asymptotic behaviour of the Zolotarev quantity under some regularity hypothesis. In this purpose, we introduce a problem of energy minimization with constraints in logarithmic potential theory with respect to signed measures. We discuss the accuracy of our results for general discrete sets in the complex plane, and we prove an explicit integral formula in the particular case of two discret subsets of the real axis symmetric with respect to the imaginary axis. Then, the impact of our theoretical results concerning the analysis of the convergence rate of the ADI method applied to solve a Sylvester equation is estimated with various numerical examples after the description of the algorithm which we used to compute the parameters
Nguyen, Laurent. "Calibration de modèles financiers par minimisation d'entropie relative et modèles avec sauts". Phd thesis, Ecole des Ponts ParisTech, 2003. http://tel.archives-ouvertes.fr/tel-00005766.
Testo completoLa calibration de modèles financiers par minimisation de lentropie relative a été proposée récemment dans le cadre de la méthode de Monte Carlo. On a étudié la convergence et la stabilité de cette méthode et on a étendu les résultats à des critères plus généraux que lentropie relative. La prise en compte des contraintes sur le sous-jacent assurant labsence dopportunité darbitrage a été abordée sous langle dun problème de moments.
Dans la seconde partie, on a considéré un modèle simple du phénomène de krach en introduisant en particulier des sauts dans la volatilité du sous-jacent. On a calculé le risque quadratique et effectué un développement approché du smile utile pour la calibration.
Finalement, dans la troisième partie, on utilise lentropie relative pour calibrer lintensité des sauts dun modèle de diffusion avec sauts et volatilité locale. La stabilité de la méthode a été prouvée grâce à des techniques de contrôle optimal ainsi quau théorème des fonctions implicites.
Wang, Chen. "Variants of Deterministic and Stochastic Nonlinear Optimization Problems". Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112294/document.
Testo completoCombinatorial optimization problems are generally NP-hard problems, so they can only rely on heuristic or approximation algorithms to find a local optimum or a feasible solution. During the last decades, more general solving techniques have been proposed, namely metaheuristics which can be applied to many types of combinatorial optimization problems. This PhD thesis proposed to solve the deterministic and stochastic optimization problems with metaheuristics. We studied especially Variable Neighborhood Search (VNS) and choose this algorithm to solve our optimization problems since it is able to find satisfying approximated optimal solutions within a reasonable computation time. Our thesis starts with a relatively simple deterministic combinatorial optimization problem: Bandwidth Minimization Problem. The proposed VNS procedure offers an advantage in terms of CPU time compared to the literature. Then, we focus on resource allocation problems in OFDMA systems, and present two models. The first model aims at maximizing the total bandwidth channel capacity of an uplink OFDMA-TDMA network subject to user power and subcarrier assignment constraints while simultaneously scheduling users in time. For this problem, VNS gives tight bounds. The second model is stochastic resource allocation model for uplink wireless multi-cell OFDMA Networks. After transforming the original model into a deterministic one, the proposed VNS is applied on the deterministic model, and find near optimal solutions. Subsequently, several problems either in OFDMA systems or in many other topics in resource allocation can be modeled as hierarchy problems, e.g., bi-level optimization problems. Thus, we also study stochastic bi-level optimization problems, and use robust optimization framework to deal with uncertainty. The distributionally robust approach can obtain slight conservative solutions when the number of binary variables in the upper level is larger than the number of variables in the lower level. Our numerical results for all the problems studied in this thesis show the performance of our approaches
Rezig, Wafa. "Problèmes de multiflots : état de l'art et approche par décomposition décentralisée du biflot entier de coût minimum". Phd thesis, Université Joseph Fourier (Grenoble), 1995. http://tel.archives-ouvertes.fr/tel-00346082.
Testo completoLibri sul tema "Problème de minimisation"
Kikuchi, Noboru. Contact problems in elasticity: A study of variational inequalities and finite element methods. Philadelphia: SIAM, 1988.
Cerca il testo completoJINGMIN. Computing Analysing Energy Minimisatiohb : Computing and Analysing Energy Minimisation Problems in Liquid Crystals: Implementation Using Firedr. World Scientific Publishing Co Pte Ltd, 2023.
Cerca il testo completoKikuchi, N., e J. Tinsley Oden. Contact Problems in Elasticity: A Study of Variational Inequalities and Finite Element Methods (Studies in Applied and Numerical Mathematics). Society for Industrial Mathematics, 1995.
Cerca il testo completoCapitoli di libri sul tema "Problème de minimisation"
Vainberg, M. M. "Le problème de la Minimisation des Fonctionnelles Non Linéaires". In Problems in Non-Linear Analysis, 463–574. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10998-0_10.
Testo completoAubin, Jean-Pierre. "Minimisation Problems: General Theorems". In Optima and Equilibria, 9–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03539-9_2.
Testo completoAubin, Jean-Pierre. "Minimisation Problems: General Theorems". In Optima and Equilibria, 9–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-662-02959-6_2.
Testo completoBarba, Paolo Di. "Inverse Problems and Error Minimisation". In Lecture Notes in Electrical Engineering, 5–25. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-3080-1_2.
Testo completoAubin, Jean-Pierre. "Conjugate Functions and Convex Minimisation Problems". In Optima and Equilibria, 35–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03539-9_4.
Testo completoAubin, Jean-Pierre. "Conjugate Functions and Convex Minimisation Problems". In Optima and Equilibria, 33–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-662-02959-6_4.
Testo completoBlanchard, Philippe, e Erwin Brüning. "Constrained Minimisation Problems (Method of Lagrange Multipliers)". In Variational Methods in Mathematical Physics, 63–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-82698-6_5.
Testo completoAubin, Jean-Pierre. "Marginal Properties of Solutions of Convex Minimisation Problems". In Optima and Equilibria, 75–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03539-9_6.
Testo completoAubin, Jean-Pierre. "Marginal Properties of Solutions of Convex Minimisation Problems". In Optima and Equilibria, 67–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-662-02959-6_6.
Testo completoPonter, Alan R. S. "The Ratchet Limit—A Coupled Dual Minimisation Problem". In Limit State of Materials and Structures, 1–18. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-5425-6_1.
Testo completoAtti di convegni sul tema "Problème de minimisation"
Katebi, M. R., M. J. Grimble e J. Wilkie. "Ship Steering Control Problem Performance Criterion for Energy Minimisation". In 1986 American Control Conference. IEEE, 1986. http://dx.doi.org/10.23919/acc.1986.4789119.
Testo completoEickmeyer, Kord, Martin Grohe e Magdalena Grüber. "Approximation of Natural W[P]-Complete Minimisation Problems Is Hard". In 2008 23rd Annual IEEE Conference on Computational Complexity. IEEE, 2008. http://dx.doi.org/10.1109/ccc.2008.24.
Testo completoBlushtain, E. A., e A. O. Manturov. "Modified algorithm of tomographic image reconstruction based on TV-minimisation". In 2012 International Conference on Actual Problems of Electron Devices Engineering (APEDE). IEEE, 2012. http://dx.doi.org/10.1109/apede.2012.6478081.
Testo completoRamos, Gabriel O., Ana L. C. Bazzan e Bruno C. Da Silva. "Regret Minimisation and System-Efficiency in Route Choice". In XXXII Concurso de Teses e Dissertações da SBC. Sociedade Brasileira de Computação - SBC, 2019. http://dx.doi.org/10.5753/ctd.2019.6332.
Testo completoFregolent, Annalisa, e Walter D’Ambrogio. "Evaluation of Different Strategies in the Parametric Identification of Dynamic Models". In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/vib-4154.
Testo completoJerkunkova, Aleksandra, Irena Katane e Regina Baltusite. "Changes in the engineering students’ procrastination self-evaluation within the experimental approbation of career education program". In Research for Rural Development 2020. Latvia University of Life Sciences and Technologies, 2020. http://dx.doi.org/10.22616/rrd.26.2020.041.
Testo completoPorter, Brian, Samir S. Mohamed e Bamidele A. Sangolola. "Genetic Design of Dynamically Optimal Four-Bar Linkages". In ASME 1994 Design Technical Conferences collocated with the ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/detc1994-0220.
Testo completoKurup, Nikhil G., e K. S. Vijula Grace. "Optimisation Algorithms for Deep Learning Method: A Review with a Focus on Financial Applications". In 2nd International Conference on Modern Trends in Engineering Technology and Management. AIJR Publisher, 2023. http://dx.doi.org/10.21467/proceedings.160.37.
Testo completoYoo, Shin. "A Novel Mask-Coding Representation for Set Cover Problems with Applications in Test Suite Minimisation". In 2010 Second International Symposium on Search Based Software Engineering (SSBSE). IEEE, 2010. http://dx.doi.org/10.1109/ssbse.2010.12.
Testo completoTajdari, Farzam, Christiaan Eijck, Felix Kwa, Christiaan Versteegh, Toon Huysmans e Yu Song. "Optimal Position of Cameras Design in a 4D Foot Scanner". In ASME 2022 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/detc2022-89145.
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