Buscar
Mostrando ítems 21-30 de 4115
Sobre a produção de significados para a noção de transformação linear em álgebra linear
(Universidade Estadual Paulista (Unesp), 2002-08-22)
Esta pesquisa, baseada no Modelo Teórico dos Campos Semânticos (MTCS), trata da produção de significados para a noção de transformação linear em Álgebra Linear. Foi desenvolvida a partir das análises de: textos matemáticos ...
Sobre a produção de significados para a noção de transformação linear em álgebra linear
(Universidade Estadual Paulista (Unesp), 2002-08-22)
Esta pesquisa, baseada no Modelo Teórico dos Campos Semânticos (MTCS), trata da produção de significados para a noção de transformação linear em Álgebra Linear. Foi desenvolvida a partir das análises de: textos matemáticos ...
The influence of harmonics from non-linear loads in the measuring transformers of electrical substations
(2006-04-01)
The mainstreams of research papers developed to analysis of electrical systems power quality for non-linear loads are conducted for low voltage feed. This, if in one hand have furnished important results about the performance ...
Transient heat diffusion problems with variable thermal properties solved by generalized integral transform technique
(2014-01-01)
In this work, studies of two-dimensional transient heat diffusion problems in domains of rectangular and elliptical geometries, submitted to boundary conditions of first kind, were carried out. For the problem formulation, ...
Characterizing Q-linear transformations for semidefinite linear complementarity problems
(PERGAMON-ELSEVIER SCIENCE LTD, 2012-02)
In this paper we introduce a new class, called F, of linear transformations defined from the space of real n x n symmetric matrices into itself. Within this new class, we show the equivalence between Q- and Q(b)-transformations. ...
Undergraduate students’ modelling routes mediated by technology in the learning of linear transformations
(2021-07)
Technology-mediated mathematical modelling has been recognized as a significant learning context. This paper reports on a study aiming to characterize the modelling routes performed by Costa Rican undergraduate students ...
On non-linear dynamics and a periodic control design applied to the potential of membrane action
(Trans Tech Publications Ltd, 2006-01-01)
The Fitzhugh-Nagumo (fn) mathematical model characterizes the action potential of the membrane. The dynamics of the Fitzhugh-Nagumo model have been extensively studied both with a view to their biological implications and ...
HTS: A new shape descriptor based on Hough Transform
(2013-09-09)
In this paper we propose a novel method for shape analysis called HTS (Hough Transform Statistics), which uses statistics from Hough Transform space in order to characterize the shape of objects in digital images. Experimental ...