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作者:Andrea Bruder , Brynja R Kohler
来源:[J].Primus : Problems, Resources, and Issues in Mathematics Undergraduate Studies, 2020, Vol.30 (1), pp.67-87ProQuest
摘要:Although modeling is an integral process in applied mathematics, students rarely encounter modeling opportunities in their calculus courses. We introduce a laboratory experience as a starting point for calculus students to investigate multivariable functions. A layered system of ...
作者:Guangming Yao , Kelly Black , Michael Ramsdell ...
来源:[J].Primus : Problems, Resources, and Issues in Mathematics Undergraduate Studies, 2020, Vol.30 (1), pp.97-122ProQuest
摘要:Improving student success rates in introductory calculus and physics courses is critically important for our students' path in STEM fields. Many of the students who have an intuitive understanding of physics fail calculus and are pushed to delay or drop their majors in technical ...
作者:Daniel L Reinholz
来源:[J].Primus : Problems, Resources, and Issues in Mathematics Undergraduate Studies, 2020, Vol.30 (1), pp.19-35ProQuest
摘要:This article describes an inquiry-oriented real analysis classroom in which students were guided to discover mathematics for themselves. To support student inquiry, the framework of "five practices" from K-12 education was used. To illustrate this framework, two case examples are...
作者:Suzanne Seager
来源:[J].Primus : Problems, Resources, and Issues in Mathematics Undergraduate Studies, 2020, Vol.30 (1), pp.88-96ProQuest
摘要:For many of my students, Real Analysis I is the first, and only, analysis course they will ever take, and these students tend to be overwhelmed by epsilon-delta proofs. To help them I reordered Real Analysis I to start with an "Analysis Boot Camp" in the first 2 weeks of class, w...
作者:Michael J Bossé , William J Cook , Joseph M Castonguay
来源:[J].Primus : Problems, Resources, and Issues in Mathematics Undergraduate Studies, 2020, Vol.30 (1), pp.36-49ProQuest
摘要:Following a line of inquiry regarding the exact number of real roots of a real polynomial, this investigation considers: Descartes' Rule of Signs, the Budan-Fourier Theorem, and versions of Sturm's Method in contrast with the approximate root count gleaned from graphing utilities...
作者:Rigoberto Flórez , Antara Mukherjee
来源:[J].Primus : Problems, Resources, and Issues in Mathematics Undergraduate Studies, 2020, Vol.30 (1), pp.50-66ProQuest
摘要:We describe some classic experiments on the Möbius strip, the projective plane band, and the Klein bottle band. We present our experience with freshmen college students, college teachers, high school students, and Mathematics Education graduate students. These experiments ar...
作者:Porter E Coggins III , Tim Glatzer
来源:[J].Primus : Problems, Resources, and Issues in Mathematics Undergraduate Studies, 2020, Vol.30 (1), pp.1-18ProQuest
摘要:We present an algorithm for a matrix-based Enigma-type encoder based on a variation of the Hill Cipher as an application of 2 × 2 matrices. In particular, students will use vector addition and 2 × 2 matrix multiplication by column vectors to simulate a matrix version of the ...
作者:M Twyeafur Rahman
来源:[J].The Journal of Developing Areas, 2020, Vol.54 (4), pp.145-159ProQuest
摘要:Endogeneity problems such as self-selection and program placement bias are key issues in estimating the impact of microcredit programs. Self-selection problem occurs when borrowers select themselves in the program because they might have entrepreneurial skills, and risk taking ab...
作者:Chandrima Sikdar , Kakali Mukhopadhyay
来源:[J].The Journal of Developing Areas, 2020, Vol.54 (4), pp.17-32ProQuest
摘要:Acquisition of technology and its diffusion foster productivity growth. Developing countries across the world have relied largely on technology import from developed countries for driving their technological changes. India too has been no exception. Against this backdrop, the pre...
作者:Gabriel Weber Costa , Andr Carraro , Felipe Garcia Ribeiro ...
来源:[J].The Journal of Developing Areas, 2020, Vol.54 (4), pp.117-127ProQuest
摘要:After a period of falling child labor rates, Brazil has witnessed an increase in its incidence. There are two main federal policies against child labor in the country. The Child Labor Eradication Program (PETI) was created in 1996, designed with a conditional cash transfer a...

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