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Showing 1 to 15 of 71 results Save | Export
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Burman, Douglas D.; Minas, Taylor; Bolger, Donald J.; Booth, James R. – Brain and Language, 2013
Previous studies have shown that the "strength" of connectivity between regions can vary depending upon the cognitive demands of a task. In this study, the "location" of task-dependent connectivity from the primary visual cortex (V1) was examined in 43 children (ages 9-15) performing visual tasks; connectivity maxima were identified for a visual…
Descriptors: Verbal Ability, Children, Age Differences, Gender Differences
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Niketic, Nemanja; Milanovic, Vitomir; Radovanovic, Jelena – European Journal of Physics, 2012
In this paper we provide a detailed analysis of the energy position and type of transmission maxima in rectangular quantum wells (QWs), taking into consideration the difference of electron effective masses in the barrier and well layers. Particular attention is given to transmission maxima that are less than unity and the implications of effective…
Descriptors: Energy, Electronics, Electronic Equipment, Intervals
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Morante, Antonio; Vallejo, Jose A. – International Journal of Mathematical Education in Science and Technology, 2012
We exhibit a simple model of a plane landing that involves only basic concepts of differential calculus, so it is suitable for a first-year calculus lab. We use the computer algebra system Maxima and the interactive geometry software GeoGebra to do the computations and graphics. (Contains 5 figures and 1 note.)
Descriptors: Algebra, Calculus, Laboratories, Computer Software
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Mihas, Pavlos – Physics Education, 2012
Fermat's principle is considered as a unifying concept. It is usually presented erroneously as a "least time principle". In this paper we present some software that shows cases of maxima and minima and the application of Fermat's principle to the problem of focusing in lenses. (Contains 12 figures.)
Descriptors: Problem Solving, Computer Software, Scientific Principles, Science Instruction
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Fedriani, Eugenio M.; Moyano, Rafael – International Journal for Technology in Mathematics Education, 2011
Coming from the Macsyma system and adapted to the Common Lisp standard, Maxima can be regarded as a tool for a frequent use in the mathematics classroom. The main aim of this work is to show some possibilities of Maxima and its graphical interface through our experience as Mathematics teachers in Business degrees, although it can be easily spread…
Descriptors: Business Administration Education, Mathematics Teachers, Computer Software, Mathematics Education
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Xue, Linting; Lynch, Collin F.; Chi, Min – International Educational Data Mining Society, 2017
Augmented Graph Grammars are a graph-based rule formalism that supports rich relational structures. They can be used to represent complex social networks, chemical structures, and student-produced argument diagrams for automated analysis or grading. In prior work we have shown that Evolutionary Computation (EC) can be applied to induce…
Descriptors: Graphs, Visual Aids, Mathematics, Novelty (Stimulus Dimension)
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Garcia, Alfonsa; Garcia, Francisco; Rodriguez, Gerardo; de la Villa, Agustin – International Journal for Technology in Mathematics Education, 2011
In recent years, a considerable number of teachers in Spain have been using DERIVE to teach math subjects in High Schools and Universities. This software has been used by the authors of this work as a support tool in Mathematics courses for Engineering. Since Texas Instruments does not support DERIVE, we were faced with finding an alternative…
Descriptors: Foreign Countries, Engineering Education, Teaching Methods, Computer Software
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Rivera-Figueroa, Antonio; Ponce-Campuzano, Juan Carlos – International Journal of Mathematical Education in Science and Technology, 2013
A deeper learning of the properties and applications of the derivative for the study of functions may be achieved when teachers present lessons within a highly graphic context, linking the geometric illustrations to formal proofs. Each concept is better understood and more easily retained when it is presented and explained visually using graphs.…
Descriptors: Calculus, College Mathematics, Graphs, Mathematical Concepts
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Mora, Angel; Galan, Jose Luis; Aguilera, Gabriel; Fernandez, Alvaro; Merida, Enrique; Rodriguez, Pedro – International Journal for Technology in Mathematics Education, 2010
In this work we will present the ScilabUMA environment we have developed as an alternative to Matlab. This environment connects Scilab (for numerical analysis) and Maxima (for symbolic computations). Furthermore, the developed interface is, in our opinion at least, as powerful as the interface of Matlab. (Contains 3 figures.)
Descriptors: Computer Uses in Education, Educational Technology, Mathematics Instruction, Teaching Methods
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Diaz, Ana; Garcia, Alfonsa; de la Villa, Agustin – International Journal for Technology in Mathematics Education, 2011
This paper analyses the role of Computer Algebra Systems (CAS) in a model of learning based on competences. The proposal is an e-learning model Linear Algebra course for Engineering, which includes the use of a CAS (Maxima) and focuses on problem solving. A reference model has been taken from the Spanish Open University. The proper use of CAS is…
Descriptors: Electronic Learning, Technical Writing, Open Universities, Information Management
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Ordin, Mikhail; Mennen, Ineke – Journal of Speech, Language, and Hearing Research, 2017
Purpose: We investigated cross-linguistic differences in fundamental frequency range (FFR) in Welsh-English bilingual speech. This is the first study that reports gender-specific behavior in switching FFRs across languages in bilingual speech. Method: FFR was conceptualized as a behavioral pattern using measures of span (range of fundamental…
Descriptors: Bilingualism, English, Welsh, Gender Differences
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Dvir, Assaf; Tabach, Michal – ZDM: The International Journal on Mathematics Education, 2017
High schools commonly use a differential approach to teach minima and maxima geometric problems. Although calculus serves as a systematic and powerful technique, this rigorous instrument might hinder students' ability to understand the behavior and constraints of the objective function. The proliferation of digital environments allowed us to adopt…
Descriptors: Mathematics Instruction, Low Achievement, High School Students, Knowledge Level
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Janetzko, Hans-Dieter – Teaching Mathematics and Its Applications, 2017
CATO is a new user interface, written in Java and developed by the author as a response to the significant difficulties faced by students who only sporadically use computer algebra systems (CAS). The usage of CAS in mathematical lectures should be an integral part of mathematical instruction. However, difficulties arise for those students who have…
Descriptors: Computer Interfaces, Programming Languages, Computer Assisted Instruction, Algebra
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Ryden, Jesper – International Journal of Mathematical Education in Science and Technology, 2008
Extreme-value statistics is often used to estimate so-called return values (actually related to quantiles) for environmental quantities like wind speed or wave height. A basic method for estimation is the method of block maxima which consists in partitioning observations in blocks, where maxima from each block could be considered independent.…
Descriptors: Simulation, Probability, Computation, Nonparametric Statistics
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Adams, Caleb L. – Mathematics Teacher, 2018
Polynomials with rational roots and extrema may be difficult to create. Although techniques for solving cubic polynomials exist, students struggle with solutions that are in a complicated format. Presented in this article is a way instructors may wish to introduce the topics of roots and critical numbers of polynomial functions in calculus. In a…
Descriptors: Mathematics Instruction, Calculus, Mathematical Concepts, Concept Formation
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