114 resultados para Logic, Symbolic and mathematical


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Pós-graduação em Letras - FCLAS

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Joaquin Torres Garcia reversed the position of the map of the continent, reaching South America north. This little drawing illustrates an article by Torres García, 1935, in which he advocates the creation of a "Escuela del Sur". This image illustrates a need in Latin America to seek their own ways. Torres-Garcia was inspired by the preColumbian American heritage for their symbolic and Constructivism proposes that Latin America look to the popular ancestral and cultural traditions and build an art itself through which the continent would no longer be a tributary of European culture. As production visual modern and contemporary Latin American context of globalization, takes the center / periphery relationship? The colonizer's model center/periphery relationship persists in the Latin American visual production? The technologies offered other ways of representation that break with the culture of repetition? These questions guide our research.

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Learning to program or master a programming language is not an easy task, and the base of process should by study Logic Programming, beginning to learning through the development of pseudocodes, algorithms and flowcharts, for, techniques that facilitate the construction and understanding of what you want to accomplish, to that is subsequently developed or elaborated a program. Reflecting on the learning of Logic Programming, this article presents information about software SCRATCH in relation to logic (pseudocodes), and how it provides support to the understanding of student learning in this course.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Studies with organic systems have shown the feasibility and ecological and social sustainability of these agroecosystems, unlike the systems agrochemicals (conventional) production. Some studies have concluded that for the model agrochemical exists less interaction between the flow of internal energy, basically the crop receives all inputs to production with no increase in "energy quality" within the system, while in the organic model of production has increased interaction between different resources in the system. The current economic and ecological crisis, exposed no sustainability of the production pattern of industrialized agriculture developed in a way, showing the dependence of developed countries on imports of agricultural commodities produced in the third world, among there coffee. Given these facts, developed a survey to identify problems in the Alta Paulista region, west of São Paulo State, in relation to coffee production systems. Actually, the fundamental problem, according to the research, farmers in this region, is to choose a viable production system correctly (environmental, social and economic); agrochemical or organic. The objectives of this study were to analyze the yield of production systems and agro-chemical and organic coffee in the period from 2003 to 2007, in 30 producing properties, located in this region, in order to point the production system to produce the highest yield. According to the methodology of CONAB, data collected were recorded on spreadsheets to be used as variables in statistical analysis models and mathematics. We performed a descriptive analysis of productivity data and were used for statistical analysis tests for parametric and nonparametric analysis of variance. The mathematical analyses of the curves were prepared with Origin for Windows 6.0 software, which uses numerical methods to fit the data supplied to a function of variable parameters. Unlike conventional systems of production, the organic system showed greater viability of the production model. Furthermore, with the quantitative modeling proposal, it is possible to perform the evaluation of these types of investments, providing more security to the farmer at the time of decision.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Matemática em Rede Nacional - IBILCE

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Pós-graduação em Matemática em Rede Nacional - IBILCE