Results 91 to 100 of about 57,523 (239)

Approches psychométrique et didactique de la validité d’une évaluation externe en mathématiques : quelles complémentarités et quelles divergences ?

open access: yesMesure et Évaluation en Éducation, 2018
Si la notion de validité fait l’objet de multiples recherches, notamment dans le champ de la psychométrie, elle n’a pas encore été beaucoup étudiée dans le cadre de la didactique des mathématiques.
Nadine Grapin, Brigitte Grugeon-Allys
doaj   +1 more source

Hybrid Inertial–Centrifugal Gas–Liquid Separator: CFD‐Driven Optimization Using Coupled Discrete Phase and Wall‐Film Modeling With Response Surface Methodology

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Efficient removal of liquid aerosols from compressed gas streams is essential in chemical and energy processes. Conventional separators relying on a single mechanism (inertial or centrifugal) struggle to capture both fine and coarse droplets simultaneously.
Son Ung Kang   +3 more
wiley   +1 more source

Mejora de las asignaturas de Álgebra Lineal y Geometría Lineal en los Grados en Matemáticas y Física de la Universidad de Alicante

open access: yes, 2018
Esta red de investigación en docencia es una continuación natural de una labor que comenzó ya en el curso académico 2015-2016 por parte de los profesores responsables de las asignaturas de Álgebra Lineal y Geometría Lineal del Grado en Matemáticas de la ...
Alonso-González, Clementa   +4 more
core   +1 more source

La presentación del concepto de variable en libros de texto: Un Análisis Comparativo

open access: yesEl Cálculo y su Enseñanza
El concepto de variable es fundamental en el aprendizaje del álgebra y otras áreas de las matemáticas, pero su comprensión sigue siendo un desafío significativo para estudiantes de diversos niveles educativos.
José Luis Díaz Gómez
doaj   +1 more source

MHD Maxwell Hybrid Nanofluid Transport Featuring Solar Radiation and Thermo‐Diffusive Impacts Over a Permeable Slanted Stretching Sheet

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Hybrid nanofluids have emerged as next‐generation working fluids for advanced engineering application due to their superior heat transport capability in relation to the conventional nanofluids. Motivated by the rising demand for accurate prediction of transport phenomena under realistic operating situations, the present study examines the ...
B. Prabhakar Reddy   +3 more
wiley   +1 more source

Conceptualizing algorithmic inequality and future agenda. An annual review of information science and technology (ARIST) paper

open access: yesJournal of the Association for Information Science and Technology, EarlyView.
Abstract The issue of inequality caused by algorithms, termed ‘algorithmic inequality’, has recently attracted scholarly attention in many disciplines due to its profound implications for society. While the body of literature on algorithmic inequality has grown, there remains a lack of comprehensive understanding of its nature, drivers, and impact ...
Shiwei Jia, Jia Tina Du, Hui Yan
wiley   +1 more source

Álgebra lineal - 092 - Quiz 5

open access: yes, 2009
Álgebra lineal – Quiz 5. Elaborado la Facultad de Ingeniería del Departamento de Matemáticas y Estadística.
Universidad Icesi
core   +2 more sources

Performance improvement of discrete‐time linear‐quadratic regulators applied to uncertain linear systems using the Tikhonov regularization method

open access: yesAsian Journal of Control, EarlyView.
Abstract The linear‐quadratic regulator (LQR) problem of optimal control of an uncertain discrete‐time linear system (DTLS) is revisited in this paper from the perspective of Tikhonov regularization. We show that an optimally chosen regularization parameter reduces, compared to the classical LQR, the values of a scalar error function, as well as the ...
Fernando Pazos, Amit Bhaya
wiley   +1 more source

A equação yn xm = f num grupo alternado [PDF]

open access: yes, 1982
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Florianópolis ...
Hass, Johnny
core  

On structural controllability in complex networks with periodic switching topologies

open access: yesAsian Journal of Control, EarlyView.
Abstract This paper investigates the structural controllability of complex networks with periodic switching topologies. First, several graph transformations that preserve structural controllability are demonstrated. Based on the n‐walk theory, a criterion is derived that determines structural controllability by analyzing only the joint graph within a ...
Jingrui Hou   +3 more
wiley   +1 more source

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