Análisis de coste computacional de métodos de resolución de sistemas de ecuaciones lineales de gran tamaño PDF Download
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Author: Esteban Samaniego Alvarado
Publisher:
ISBN:
Category :
Languages : es
Pages : 23
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Book Description
Author: Esteban Samaniego Alvarado
Publisher:
ISBN:
Category :
Languages : es
Pages : 23
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : es
Pages :
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RESUMEN Esta tesis se centra en el estudio de tecnicas de precondicionamiento para la resolucion de sistemas lineales de ecuaciones, provenientes de la resolucion de ecuaciones diferenciales en derivadas parciales. La caracteristica comun de los sistemas lineales objeto de interes es su enorme tamano, y el hecho de que la matriz de coeficientes asociada a estos sistemas es dispersa. Se utilizan los modelos de programacion de paso de mensajes y memoria compartida, y se orienta este trabajo a problemas de un tamano medio, hasta 10^5 ecuaciones. La resolucion de sistemas lineales de ecuaciones es, comunmente, el nucleo computacional mas costoso, en cuanto a tiempo de ejecucion, de muchas simulaciones numericas industriales, aunque otros problemas tales como calculo de autovalores tambien suelen ocurrir. Tipicamente, estos problemas consumen una significante porcion del tiempo computacional requerido por una simulacion completa. Una reciente revision sobre el actual uso de supercomputadores de alto rendimiento indica que mas del 70% del tiempo computacional es usado para resolver grandes sistemas lineales de ecuaciones. Un impacto industrial muy importante debe ocurrir si el rendimiento de los metodos usados para resolver estos sistemas pudiera ser mejorado. El problema de resolver sistemas lineales ha sido ampliamente analizado para arquitecturas de memoria compartida, donde el paralelismo que se suele explotar es de grano fino. Sin embargo, el interes en explotar el paralelismo grano grueso, junto con la aparicion de librerias que garantizan la portabilidad de los programas basados en paso de mensaje y junto al avance de la tecnologia, ha hecho posible que en estos momentos se este comenzado a desarrollar aplicaciones industriales sobre multicomputadores de memoria compartida-distribuida. Las tecnicas de descomposicion en dominios son una forma de distribucion de datos que permiten la explotacion del paralelismo de paso de mensaje, y todo el paralelismo interno de cad.
Author: José Cidrás Pidre
Publisher:
ISBN: 9788488967947
Category :
Languages : es
Pages : 148
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Author: Alejandra Sanjuan Hernán-Pérez
Publisher:
ISBN:
Category :
Languages : es
Pages :
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Author: S. Manrique Catalán
Publisher:
ISBN:
Category :
Languages : es
Pages : 69
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Book Description
Author: Andreas S. Weigend
Publisher: Routledge
ISBN: 042997227X
Category : Social Science
Languages : en
Pages : 665
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Book Description
The book is a summary of a time series forecasting competition that was held a number of years ago. It aims to provide a snapshot of the range of new techniques that are used to study time series, both as a reference for experts and as a guide for novices.
Author: Braja M. Das
Publisher: Cengage Learning
ISBN: 9781337705028
Category : Technology & Engineering
Languages : en
Pages : 944
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Book Description
Master the core concepts and applications of foundation analysis and design with Das/Sivakugan’s best-selling PRINCIPLES OF FOUNDATION ENGINEERING, 9th Edition. Written specifically for those studying undergraduate civil engineering, this invaluable resource by renowned authors in the field of geotechnical engineering provides an ideal balance of today's most current research and practical field applications. A wealth of worked-out examples and figures clearly illustrate the work of today's civil engineer, while timely information and insights help readers develop the critical skills needed to properly apply theories and analysis while evaluating soils and foundation design. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.
Author: R. Peter King
Publisher: Elsevier
ISBN: 0080511848
Category : Technology & Engineering
Languages : en
Pages : 417
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Book Description
Dr. R. Peter King covers the field of quantitative modeling of mineral processing equipment and the use of these models to simulate the actual behavior of ore dressing and coal washing as they are configured to work in industrial practice. The material is presented in a pedagogical style that is particularly suitable for readers who wish to learn the wide variety of modeling methods that have evolved in this field. The models vary widely from one unit type to another. As a result each model is described in some detail. Wherever possible model structure is related to the underlying physical processes that govern the behaviour of particulate material in the processing equipment. Predictive models are emphasised throughout so that, when combined, they can be used to simulate the operation of complex mineral processing flowsheets. The development of successful simulation techniques is a major objective of the work that is covered in the text. - Covers all aspects of modeling and simulation - Provides all necessary tools to put the theory into practice
Author: John Moubray
Publisher: Industrial Press Inc.
ISBN: 9780831131463
Category : Business & Economics
Languages : en
Pages : 452
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Book Description
Completely reorganised and comprehensively rewritten for its second edition, this guide to reliability-centred maintenance develops techniques which are practised by over 250 affiliated organisations worldwide.
Author: Xosé Neira Vilas
Publisher: Trafford
ISBN: 9781412028929
Category : Argentine fiction
Languages : en
Pages : 0
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Book Description
Balbino,"a boy from a village", a "nobody" who writes a notebook about everything that happens to him within the repressed and stifling society of Galicia in the thirties and forties. He tells of the moral and social atmosphere that prevails asking and answering questions and details the most elemental social struggle. There is also however the story of a true but impossible love. This book was first printed in Argentina in 1961 and became one of the most successful Galician books published. It has a lyrical style that immediately evokes sights and sounds of this part of Spain. The author Xosé Neira Vilas writes from his experiences of the era and the lifestyle of boys growing up in that society and provides a rich insight to life of the peasant boy "Balbino".
