In the 19th century, Joseph Fourier wrote: “The study of Nature is the most productive source of mathematical discoveries. By offering a specific objective, it provides the advantage of excluding vague problems and unwieldy calculations. It is also a means to form the Mathematical Analysis, and isolate the most important aspects to know and to conserve. These fundamental elements are those whic...

A general approach of the automated algorithms for derivation of amplitude equations for dy-namical and distributed systems is presented. A brief description of the Mathematica functions designed using this approach is given. Application of the functions is illustrated by several examples dealing with dynamical and distributed systems.

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Th is study aimed to determine the factors that aff ect students’ preferences regarding tutorial modes. A learning-habit inclinations questionnaire (LHIQ) was constructed and administered to 288 students. Factor analysis revealed four factors: “time management,” “ease of access” to learning materials, “positive aspects of interaction,” and “negative aspects of interaction.” Seven satellite-base...

Kristina M. Appelt is Librarian/Assistant Professor at Prairie State College; e-mail: kappelt@prairiestate. edu. Kimberly Pendell is Assistant Information Services Librarian at University of Illinois at Chicago; e-mail: [email protected]. Communication and collaboration with faculty are increasingly important in the development of both curriculum-integrated and stand-alone “just in time” library...

Many people rely on Web-based tutorials to learn how to use complex software. Yet, it remains difficult for users to systematically explore the set of tutorials available online. We present Sifter, an interface for browsing, comparing and analyzing large collections of image manipulation tutorials based on their command-level structure. Sifter first applies supervised machine learning to identi...