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Download or read book Optimización de un problema de transporte written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Enrique Parra Iglesias
Publisher : Ediciones Díaz de Santos
ISBN 13 : 9788479783846
Total Pages : 234 pages
Book Rating : 4.7/5 (838 download)
Download or read book Optimización Del Transporte written by Enrique Parra Iglesias and published by Ediciones Díaz de Santos. This book was released on 1999 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: En este libro se explica la resolución práctica de problemas de planificación óptima de los flujos de transporte y de planificación conjunta y óptima de la cadena aprovisionamiento - fabricación - distribución, tanto con propósitos operativos como estratégicos. La construcción y resolución de estos modelos de optimización se puede realizar usando el sistema informático SOT II, desarrollado por el autor, que se describe en este libro y del que se incluye una versión reducida. Este sistema será de gran ayuda a los planificadores que desean disponer de un sistema fiable que les permita tomar decisiones logísticas óptimas sin necesidad de desarrollar por sí mismos el modelo matemático. Con SOT II ya se han optimizado problemas industriales de hasta 8.000 restricciones y 75.000 variables en tres minutos.
Author : Lander Tolosa
Publisher : MARGE BOOKS
ISBN 13 : 8416171742
Total Pages : 110 pages
Book Rating : 4.4/5 (161 download)
Download or read book Técnicas de mejora continua en el transporte written by Lander Tolosa and published by MARGE BOOKS. This book was released on 2017-06-22 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cómo optimizar los resultados en la logística La mejora continua es una metodología compuesta por técnicas para optimizar y aumentar la calidad de un producto, un proceso o un servicio que promueve la implicación de todo el equipo profesional de la empresa. Este libro expone las principales técnicas para implementar la mejora continua en las empresas de transporte y logística y en la gestión de sus servicios. Para este propósito se parte de las fases de la metodología Six Sigma: definir, medir, analizar, controlar y mejorar. En cada una de ellas, se detallan las herramientas más utilizadas mediante un lenguaje claro y conciso. Algunas de las técnicas que se podrán aplicar al finalizar la lectura de este libro son los mapas de procesos, la anticipación a los problemas, el muestreo de trabajo, el sistema poka-yoke y la utilización de cuadros de mando integral, entre otras. La mejora continua es un proceso vivo, en renovación y constante aplicación. Es por eso que esta guía será de gran utilidad para todos aquellos profesionales que deseen aplicarla de un modo sencillo y dinámico. Recursos y técnicas para la medición y el análisis.Basado en las metodologías Six Sigma y Kaizen. Soluciones prácticas para sistematizar los procesos de mejora.Un modo sencillo y dinámico de mejora.
Author : Maïtine Bergounioux
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110430509
Total Pages : 514 pages
Book Rating : 4.1/5 (14 download)
Download or read book Topological Optimization and Optimal Transport written by Maïtine Bergounioux and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-08-07 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: By discussing topics such as shape representations, relaxation theory and optimal transport, trends and synergies of mathematical tools required for optimization of geometry and topology of shapes are explored. Furthermore, applications in science and engineering, including economics, social sciences, biology, physics and image processing are covered. Contents Part I Geometric issues in PDE problems related to the infinity Laplace operator Solution of free boundary problems in the presence of geometric uncertainties Distributed and boundary control problems for the semidiscrete Cahn–Hilliard/Navier–Stokes system with nonsmooth Ginzburg–Landau energies High-order topological expansions for Helmholtz problems in 2D On a new phase field model for the approximation of interfacial energies of multiphase systems Optimization of eigenvalues and eigenmodes by using the adjoint method Discrete varifolds and surface approximation Part II Weak Monge–Ampere solutions of the semi-discrete optimal transportation problem Optimal transportation theory with repulsive costs Wardrop equilibria: long-term variant, degenerate anisotropic PDEs and numerical approximations On the Lagrangian branched transport model and the equivalence with its Eulerian formulation On some nonlinear evolution systems which are perturbations of Wasserstein gradient flows Pressureless Euler equations with maximal density constraint: a time-splitting scheme Convergence of a fully discrete variational scheme for a thin-film equatio Interpretation of finite volume discretization schemes for the Fokker–Planck equation as gradient flows for the discrete Wasserstein distance
Author : Beatriz Castro García
Publisher :
ISBN 13 :
Total Pages : 169 pages
Book Rating : 4.:/5 (63 download)
Download or read book Asignación de recursos en empresas de transporte written by Beatriz Castro García and published by . This book was released on 2009 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Este proyecto fin de carrera realizado se centra en la optimización y adaptación de un módulo de cálculo de rutas teniendo en cuenta las condiciones dinámicas del tráfico con el objetivo de gestionar eficientemente los recursos de los que posee una empresa de transporte. La lógica de la aplicación encargada del cálculo de rutas está basada en el algoritmo Dijkstra pero con importantes adaptaciones y mejoras para el caso que nos ocupa. El problema general que se trata se puede dividir en dos subtareas diferentes: en primer lugar se trata el problema de la asignación óptima de recursos en empresas de transporte, para posteriormente, abordar la solución mediante el cálculo de rutas de mínimo tiempo con el objetivo tanto de optimizar los procesos de asignación de recursos como de tiempo de recorrido. La aplicación diseñada se ha implementado en el lenguaje de programación C++, y se la ha dotado de una capa de comunicaciones mediante sockets capacitándola para recibir peticiones de optimización por parte del cliente. Asimismo, se ha realizado un estudio comparativo con otras metodologías que presentan distintas soluciones a esta cuestión de modo que, se pueda seguir profundizando en el perfeccionamiento de esta solución al problema del enrutamiento dinámico de vehículos en la red de carreteras españolas.
Author : Antonio José Torres Martínez
Publisher :
ISBN 13 : 9788483633922
Total Pages : 104 pages
Book Rating : 4.6/5 (339 download)
Download or read book COLECCIÓN DE PROBLEMAS RESUELTOS DE LOGÍSTICA DEL TRANSPORTE written by Antonio José Torres Martínez and published by . This book was released on 2009 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marc Bernot
Publisher : Springer Science & Business Media
ISBN 13 : 3540693149
Total Pages : 204 pages
Book Rating : 4.5/5 (46 download)
Download or read book Optimal Transportation Networks written by Marc Bernot and published by Springer Science & Business Media. This book was released on 2009 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: The transportation problem can be formalized as the problem of finding the optimal way to transport a given measure into another with the same mass. In contrast to the Monge-Kantorovitch problem, recent approaches model the branched structure of such supply networks as minima of an energy functional whose essential feature is to favour wide roads. Such a branched structure is observable in ground transportation networks, in draining and irrigation systems, in electrical power supply systems and in natural counterparts such as blood vessels or the branches of trees. These lectures provide mathematical proof of several existence, structure and regularity properties empirically observed in transportation networks. The link with previous discrete physical models of irrigation and erosion models in geomorphology and with discrete telecommunication and transportation models is discussed. It will be mathematically proven that the majority fit in the simple model sketched in this volume.
Author : Jan Owen Jansson
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.3/5 (555 download)
Download or read book Transport System Optimization and Pricing written by Jan Owen Jansson and published by John Wiley & Sons. This book was released on 1984 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Luigi Ambrosio
Publisher : Springer
ISBN 13 : 3540448578
Total Pages : 176 pages
Book Rating : 4.5/5 (44 download)
Download or read book Optimal Transportation and Applications written by Luigi Ambrosio and published by Springer. This book was released on 2003-01-01 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Leading researchers in the field of Optimal Transportation, with different views and perspectives, contribute to this Summer School volume: Monge-Ampère and Monge-Kantorovich theory, shape optimization and mass transportation are linked, among others, to applications in fluid mechanics granular material physics and statistical mechanics, emphasizing the attractiveness of the subject from both a theoretical and applied point of view. The volume is designed to become a guide to researchers willing to enter into this challenging and useful theory.
Author : Antonio José Torres Martínez
Publisher :
ISBN 13 : 9788483630853
Total Pages : 114 pages
Book Rating : 4.6/5 (38 download)
Download or read book TÉCNICAS DE OPTIMIZACIÓN EN LA LOGÍSTICA DEL TRANSPORTE - EJERCICIOS written by Antonio José Torres Martínez and published by . This book was released on 2007 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Giuseppe Buttazzo
Publisher : Springer
ISBN 13 : 9783540858218
Total Pages : 150 pages
Book Rating : 4.8/5 (582 download)
Download or read book Optimal Urban Networks via Mass Transportation written by Giuseppe Buttazzo and published by Springer. This book was released on 2009-08-29 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently much attention has been devoted to the optimization of transportation networks in a given geographic area. One assumes the distributions of population and of services/workplaces (i.e. the network's sources and sinks) are known, as well as the costs of movement with/without the network, and the cost of constructing/maintaining it. Both the long-term optimization and the short-term, "who goes where," optimization are considered. These models can also be adapted for the optimization of other types of networks, such as telecommunications, pipeline or drainage networks. In the monograph we study the most general problem settings, namely, when neither the shape nor even the topology of the network to be constructed is known a priori.
Author : Alessio Figalli
Publisher : Edizioni della Normale
ISBN 13 : 9788876423307
Total Pages : 0 pages
Book Rating : 4.4/5 (233 download)
Download or read book Optimal Transportation and Action-Minimizing Measures written by Alessio Figalli and published by Edizioni della Normale. This book was released on 2008-07-17 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book we describe recent developments in the theory of optimal transportation, and some of its applications to fluid dynamics. Moreover we explore new variants of the original problem, and we try to figure out some common (and sometimes unexpected) features in this emerging variety of problems . In Chapter 1 we study the optimal transportation problem on manifolds with geometric costs coming from Tonelli Lagrangians, while in Chapter 2 we consider a generalization of the classical transportation problem called the optimal irrigation problem. Then, Chapter 3 is about the Brenier variational theory of incompressible flows, which concerns a weak formulation of the Euler equations viewed as a geodesic equation in the space of measure-preserving diffeomorphism. Chapter 4 is devoted to the study of regularity and uniqueness of solutions of Hamilton-Jacobi equations applying the Aubry-Mather theory. Finally, the last chapter deals with a DiPerna-Lions theory for martingale solutions of stochastic differential equations.
Author : Andrés López Bonilla
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (991 download)
Download or read book Optimización de la programación de autobuses en rutas alimentadoras del Sistema de Transporte Masivo Megabus written by Andrés López Bonilla and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Resumen: La operación de un sistema de transporte público debe estar sustentada en un proceso de planeación constituido generalmente por cuatro etapas que son ejecutadas de forma secuencial, siendo considerado el producto de cada una como indiscutible insumo para el desarrollo de la siguiente. Las etapas son: i) el diseño de la red de rutas (Network Route Design), ii) la programación de los servicios para atender la demanda de usuarios (Time Table), iii) la programación de los autobuses para realizar los servicios definidos en la etapa anterior (Vehicle Scheduling) y iv) la programación de los conductores que cumplen con los itinerarios establecidos para los autobuses (Crew Scheduling). La literatura relacionada, aborda el problema de programación de autobuses con un objetivo general común (minimizar costos de operación), usando diferentes técnicas y teniendo en cuenta las condiciones de operación de acuerdo al sistema sobre el cual se resuelve el problema. Es así como, para sistemas de transporte de distintas ciudades del mundo, se usan técnicas heurísticas, metaheurísticas y exactas para abordar el problema de Vehicle Scheduling, teniendo en cuenta distintas variables como el tamaño y capacidad de la flota, kilómetros recorridos por fuera de la operación, tiempos de inactividad de los autobuses, entre otras. En el caso particular del Sistema Integrado de Transporte Masivo Megabus, se encuentran ineficiencias en el proceso de planeación de la operación, que resultan de los procesos de Time Table y Vehicle Scheduling y se ven representadas en mayores costos de operación y bajo aprovechamiento de la flota que ponen a disposición los concesionarios de operación...
Author : Filippo Santambrogio
Publisher : Birkhäuser
ISBN 13 : 9783319365817
Total Pages : 353 pages
Book Rating : 4.3/5 (658 download)
Download or read book Optimal Transport for Applied Mathematicians written by Filippo Santambrogio and published by Birkhäuser. This book was released on 2016-08-23 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph presents a rigorous mathematical introduction to optimal transport as a variational problem, its use in modeling various phenomena, and its connections with partial differential equations. Its main goal is to provide the reader with the techniques necessary to understand the current research in optimal transport and the tools which are most useful for its applications. Full proofs are used to illustrate mathematical concepts and each chapter includes a section that discusses applications of optimal transport to various areas, such as economics, finance, potential games, image processing and fluid dynamics. Several topics are covered that have never been previously in books on this subject, such as the Knothe transport, the properties of functionals on measures, the Dacorogna-Moser flow, the formulation through minimal flows with prescribed divergence formulation, the case of the supremal cost, and the most classical numerical methods. Graduate students and researchers in both pure and applied mathematics interested in the problems and applications of optimal transport will find this to be an invaluable resource.
Author : Paolo Toth
Publisher : Society for Industrial and Applied Mathematics
ISBN 13 : 9780898715798
Total Pages : 385 pages
Book Rating : 4.7/5 (157 download)
Download or read book The Vehicle Routing Problem written by Paolo Toth and published by Society for Industrial and Applied Mathematics. This book was released on 1987-01-01 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the field of combinatorial optimization problems, the Vehicle Routing Problem (VRP) is one of the most challenging. Defined more than 40 years ago, the problem involves designing the optimal set of routes for fleets of vehicles for the purpose of serving a given set of customers. Interest in VRP is motivated by its practical relevance as well as its considerable difficulty. The Vehicle Routing Problem covers both exact and heuristic methods developed for the VRP and some of its main variants, emphasizing the practical issues common to VRP. The book is composed of three parts containing contributions from well-known experts. The first part covers basic VRP, known more commonly as capacitated VRP. The second part covers three main variants of VRP: with time windows, backhauls, and pickup and delivery. The third part covers issues arising in real-world VRP applications and includes both case studies and references to software packages.
Author : Marc Bernot
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (465 download)
Download or read book Optimal Transportation Networks written by Marc Bernot and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gabriel Peyre
Publisher : Foundations and Trends(r) in M
ISBN 13 : 9781680835502
Total Pages : 272 pages
Book Rating : 4.8/5 (355 download)
Download or read book Computational Optimal Transport written by Gabriel Peyre and published by Foundations and Trends(r) in M. This book was released on 2019-02-12 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of Optimal Transport (OT) is to define geometric tools that are useful to compare probability distributions. Their use dates back to 1781. Recent years have witnessed a new revolution in the spread of OT, thanks to the emergence of approximate solvers that can scale to sizes and dimensions that are relevant to data sciences. Thanks to this newfound scalability, OT is being increasingly used to unlock various problems in imaging sciences (such as color or texture processing), computer vision and graphics (for shape manipulation) or machine learning (for regression, classification and density fitting). This monograph reviews OT with a bias toward numerical methods and their applications in data sciences, and sheds lights on the theoretical properties of OT that make it particularly useful for some of these applications. Computational Optimal Transport presents an overview of the main theoretical insights that support the practical effectiveness of OT before explaining how to turn these insights into fast computational schemes. Written for readers at all levels, the authors provide descriptions of foundational theory at two-levels. Generally accessible to all readers, more advanced readers can read the specially identified more general mathematical expositions of optimal transport tailored for discrete measures. Furthermore, several chapters deal with the interplay between continuous and discrete measures, and are thus targeting a more mathematically-inclined audience. This monograph will be a valuable reference for researchers and students wishing to get a thorough understanding of Computational Optimal Transport, a mathematical gem at the interface of probability, analysis and optimization.
