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Determinantes, propriedades e m?todos de condensa??oMartins, Jamerson Fernando Confort 06 February 2015 (has links)
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Previous issue date: 2015-02-06 / Atualmente o ensino dos determinantes tem se restringido praticamente ? memoriza??o
de f?rmulas e propriedades, sem proporcionar uma an?lise cr?tica sobre o contexto
hist?rico de forma??o e os processos de obten??o que geram tais f?rmulas e propriedades.
Para inserir o assunto dentro de um contexto hist?rico, o presente trabalho
desenvolve-se a partir do estudo dos sistemas lineares. Em seguida, introduziremos a
defini??o de determinante sob o olhar das permuta??es e invers?es, algumas propriedades
importantes do determinante e alguns m?todos de condensa??o, como o Teorema
de Laplace e a Regra de Chi?. Por fim, trabalharemos com aplica??es envolvendo as
propriedades estudadas. / Currently, the teaching of determinants has been restricted basically to memorizing
formulas and properties, without providing a critical analysis of the historical context
of formation and the production processes that generate such formulas and properties.
To insert the subject within a historical context, the present work is developed from the
study of linear systems. Then we introduce the definition of the determinant from the
perspective of permutations and inversions, some properties that involve determinants
and condensation methods such as Laplace?s Theorem and the Rule of Chio. Finally,
we will work with applications involving the properties studied.
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Contexto Hist?rico S?cio Cultural das unidades agr?rias n?o oficiais utilizadas na Mata Sul de Pernambuco e no IF PE ? Campus Barreiros. / Socio Cultural Historical Contex of the agrarian units unofficial used in the South Rainforest Zone of Pernambuco and at the IFPE ? Campus Barreiros.Freitas, Jorge Ricardo Carvalho de 29 September 2010 (has links)
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Previous issue date: 2010-09-29 / This paper presents testimonials and an analyze socio-cultural of companions who are
real protagonists of a relevant mathematics to their particular way of measuring the
relationship between man and land. It showed us possible causes and consequences
about the use in large scale in all the activities developed by rural workers of the South
Rainforest Zone of Pernambuco, of units of measures that, although, conventional in
that living today are considered unofficial. Initially it does a rescue historic of units of
measures in others cultures from antiquity until the deployment of the official system of
measures. Circumstantially describes the probable origin and the arrival of new sugar
centers in the South Rainforest of Pernambuco, and with them, as ?fathoms? and the
?accounts? and ?tasks? as its multiples. It discusses parameters of the social reality of
the agrarian man, questioning the possibility this man suffer some type of exploration
by inequality that finds in the fields. It traces the worker?s profile linked to their daily
lives to those units. It also states the possibility of strategies for creating of a way of
looking at education focused discussions of mobilization within teaching of the Federal
Institute of Pernambuco ? Campus Barreiros in order to consolidate the use of system
within a internacional context, however, without failing to realize that a learning
centered everyday realities of our students, where our practical activities are much more
meaningful and relevant, be necessary. / Este trabalho apresenta depoimentos e uma an?lise s?cio-cultural de companheiros que
s?o verdadeiros protagonistas de uma matem?tica pertinente ao seu modo peculiar de
mensurar as rela??es entre homem e a terra. Mostrou-nos eventuais causas e
conseq??ncias sobre o uso em larga escala, em todas as atividades realizadas pelos
trabalhadores rurais da Zona da Mata Sul de Pernambuco, de unidades de medidas, que,
embora convencionais naquele conv?vio hoje s?o consideradas n?o oficiais. Inicialmente
faz um resgate hist?rico de unidades de medidas em outras culturas da antiguidade at? a
implanta??o do sistema oficial de medidas. Descreve circunstancialmente a prov?vel
origem e chegada dos novos centros a?ucareiros na Mata Sul de Pernambuco, e com
eles, as ?bra?as? e as ?contas? e ?tarefas? como seus m?ltiplos. Aborda par?metros da
realidade social do homem agr?rio, questionando a possibilidade desse homem sofrer
algum tipo de explora??o pela desigualdade que encontra nos canaviais. Tra?a o perfil
do trabalhador vinculando o seu cotidiano a essas unidades. Declara tamb?m a
possibilidade de estrat?gias para cria??o de um modo de ver educa??o voltada a
discuss?es de mobiliza??o dentro do ensino do Instituto Federal de Pernambuco ?
Campus Barreiros, no intuito de consolidar o uso do Sistema Internacional dentro de um
contexto, por?m, sem deixar perceber que um aprendizado centrado nas realidades
cotidianas dos nossos estudantes, onde suas atividades pr?ticas s?o muito mais
significativas e relevantes, seja necess?rio.
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