1000 resultados para Metodos de relaxação (Matematica)


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Pós-graduação em Educação Matemática - IGCE

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The Markowitz's objective functions, Value-at-Risk and Conditional Value-at-Risk, are largely used tools in the financial Market for portfolio optimization. This paper tries to analyze these functions having as a target to adapt them for application in non-financial assets portfolios. The paper uses as an example the Electricity Market to analyze and optimize a fictitious investment portfolio of a possible electric power utility. Showing that, besides being possible, which considerations must be taken and which analysis must be made to apply the Modern Portfolio Theory in the non-financial universe

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In this work it was made analysis of a simple pressure vessel, using the analytical development studied in Mechanics of Materials disciplines, and then using the standard required by ASME. Following the simulation was realized using Autodesk Mechanical Simulation software to calculate the principal stresses in a pressure vessel. The simulation was done in a single vessel without nozzles, compared with the analytic calculation. After that, the simulation of another fictitious pressure vessel was done by adding three nozzles to verify the influence of the nozzles in the principal stresses and compared with the analytical results. After the simulation, it was found that the principal are bigger in the pressure vessel with nozzles, but they decrease at a small distance from the nozzle becoming equal to the stresses in the vessel without nozzles. The analytical results calculated according to the ASME agree with simulated results

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In this era of globalization, with fierce competition in the labor market, using the reduction cost strategy and resources optimization, has become a competitive advantage. In this graduation study, it will be exposed in form of case study the DMAIC project (Define Measure Analyze Improve Control) execution, using of Six Sigma's tools, statistical and quality knowledge, with intent of analyze, improve and control the processes of a selected problem, always demonstrating good practice of methodologies. In an auto parts multinational branch, It was identified a high scrap rate in one of his production lines. This work will study this problem to improve their processes and ensure that these improvements are perpetual. As a result, reached the stipulated goals, increasing Corporation's Intellectual, thereby providing a competitive advantage

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Pós-graduação em Engenharia Elétrica - FEIS

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Pós-graduação em Engenharia Elétrica - FEIS

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The objective of this study is to present an analysis of students performance in public schools of Araraquara in relation to the proficiency in mathematics, addressing the Sistema de Avaliação de Rendimento Escolar do Estado de São Paulo (SARESP), which is an important tool for support the Secretaria Estadual da Educação in definitions focused on educational policies. To perform the analysis of students performance were considered notes in math tests, achieved by students from the third grade of high school in eleven state public schools of Araraquara. To achieve the proposed objective, were used data from SARESP for the period between 2008 and 2011, made available by the State Secretariat of Education (SEE). The results showed that students in the third grade of high school of public schools in Araraquara are in the worst levels of proficiency in mathematics considered by SARESP. This result demonstrates an urgent need to seek explanations and ways to overcome this situation.

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Pós-graduação em Engenharia Elétrica - FEIS