Symbolic And Mathematical
Mostrando 1-12 de 31 artigos, teses e dissertações.
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1. Estimativa numérica de quantidades: um estudo de comparação entre crianças e adultos
Resumo O estudo acerca da estimativa numérica é pouco realizado no Brasil, embora já apresente considerável trajetória na literatura internacional. Entretanto, grande parte desses estudos estão relacionados à habilidade de realizar estimativas em crianças, desconsiderando qual seria o mais alto estágio de desenvolvimento desta habilidade, comparando
Educ. Pesqui.. Publicado em: 12/08/2019
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2. Estudio longitudinal de la capacidad de representación simbólica de niños y niñas en el ciclo 3-6 de Educación Infantil al abordar tareas relativas a dictados matemáticos
Abstract In this work, mathematical dictations are used as a didactical-instrumental approach to perform a longitudinal study on the mathematical representation capacity in children at an early age. For this purpose, a field study was carried out with a total sample of 104 girls and boys of 1st, 2nd, and 3rd grade of Early Childhood Education. The results ob
Bolema. Publicado em: 01/08/2019
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3. Os modelos na ciência: traços da evolução histórico-epistemológica
Resumo O que é um modelo? Neste artigo apresentamos alguns aspectos históricos e epistemológicos da noção de modelo desde sua inserção na ciência até a sua concepção mais contemporânea. O cenário é limitado às ciências formais e factuais. Analisando algumas discussões entre filósofos da ciência e cientistas, a respeito das diferentes noç�
Rev. Bras. Ensino Fís.. Publicado em: 10/06/2019
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4. Lengua Materna y Comunicación en la Construcción del Pensamiento Matemático
Abstract This article presents results of a research with the objective of establishing the mother tongue's role in the construction of mathematical thought on a multi-grade group of a rural area. There is a theoretical discussion about communication, the use of the mother tongue and representations in math class; it is also illustrated with respect to the e
Bolema. Publicado em: 2019-04
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5. Etnomatemática de una Artesanía Argentina: identificando etnomodelos de trenzado
AbstractThis investigation focuses on the study of the mathematics of an Argentine craftsmanship of making braids. The objective is to develop a situated mathematical interpretation for the modeling of the braiding practice from an emic perspective. We set out from the reorganization of the space through the universal mathematical activities to locate and de
Bolema. Publicado em: 2015-08
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6. Radio-Wave Propagation Model for UHF Band in Different Climatic Conditions with Dyadic Green’s Function
AbstractThis article proposes a deterministic radio propagation model using dyadic Green's function to predict the value of the electric field. Dyadic is offered as an efficient mathematical tool which has symbolic simplicity and robustness, as well as taking account of the anisotropy of the medium. The proposed model is an important contribution for the UHF
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2015-06
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7. La alfabetización matemática y su relación con el intercambio comercial, la escolaridad elemental y el trabajo
My goal is to contribute to the discussion of how elementary education and labor activities contribute to the mathematical literacy of people. I examine some aspects of how youths and adults acquire mathematical knowledge and tools, both through elementary-education programs and through engaging in occupations that do not require much schooling. I focus on t
Bolema. Publicado em: 2013-04
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8. Exact travelling wave solutions for some nonlinear (N+1)-dimensional evolution equations
In this paper, we implement the tanh-coth function method to construct the travelling wave solutions for (N + 1)-dimensional nonlinear evolution equations. Four models, namely the (N + 1)-dimensional generalized Boussinesq equation, (N + 1)-dimensional sine-cosine-Gordon equation, (N + 1)-double sinh-Gordon equation and (N + 1)-sinh-cosinh-Gordon equation, a
Comput. Appl. Math.. Publicado em: 2012
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9. Técnicas de processamento não linear de sinais aplicadas à investigação de limitações práticas do procedimento de ventilação mecânica não invasiva
Individuals with respiratory system dysfunctions or who are recovering from complex surgeries may have difficulty to sustain spontaneous breathing. The mechanical ventilation is a clinical procedure that supports ventilation until the patient is recovered. Noninvasive mechanical ventilation is especially remarkable as it can be used outside the hospital, in
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 06/05/2011
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10. Sobre os fundamentos de programação lógica paraconsistente / On the foundations of paraconsistent logic programming
A Programação Lógica nasce da interação entre a Lógica e os fundamentos da Ciência da Computação: teorias de primeira ordem podem ser interpretadas como programas de computador. A Programação Lógica tem sido extensamente utilizada em ramos da Inteligência Artificial tais como Representação do Conhecimento e Raciocínio de Senso Comum. Esta apr
Publicado em: 2010
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11. Os fundamentos do pensamento matematico no seculo XX e a relevancia fundacional da teoria de modelos / The foudations of mathematical thought in the twentieth century and the foundational relevance of model theory
The aim of the present Thesis is to bring some light to the question about the status and relevance of Model Theory to a reflection about the mathematical knowledge in the twentieth century. To pursue this target, we will, first of all, try to reach a comprehension of the reflection about the mathematical knowledge, itself, what will be designated as Foundat
Publicado em: 2009
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12. Quem dança com quem: o desenvolvimento do raciocínio combinatório do 2 ano do ensino fundamental ao 3 ano do ensino médio
In the present study, Primary to High School students performance and strategies were analysed (11 years of schooling) in relation to problem solving of situations that involve combinatorial reasoning, focusing on the dimensions pointed out by Vergnaud (1990): meanings, invariants and symbolic representations. With this purpose, 568 students of four schools
Publicado em: 2009