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Cipparrone, Flavio A. M.; Consonni, Denise – IEEE Transactions on Education, 2022
Contribution: Two general rules for calculating, in the time domain, step discontinuities of voltages and currents in electric circuits, combining physical principles and basic mathematical treatment. The two general rules, resulting from a formal method of analysis, provide a straightforward way to update the states of a circuit, immediately…
Descriptors: Computation, Electronic Equipment, Time, Simulation
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Fay, Temple H.; Joubert, Stephan V. – International Journal of Mathematical Education in Science and Technology, 2009
We discuss the boundary in the Poincare phase plane for boundedness of solutions to spring model equations of the form [second derivative of]x + x + epsilonx[superscript 2] = Fcoswt and the [second derivative of]x + x + epsilonx[superscript 3] = Fcoswt and report the results of a systematic numerical investigation on the global stability of…
Descriptors: Equations (Mathematics), Mathematics Instruction, Mathematical Models, Mathematical Concepts
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Bryant, V. W. – Mathematical Spectrum, 1972
Problems involving the use of diagrams to depict plangers'' (in which lines cross a specified number of times) are discussed. (LS)
Descriptors: Mathematical Applications, Mathematical Enrichment, Mathematical Models, Mathematics
Schoenfeld, Alan H.; And Others – 1980
One module is presented in units 203, 204, and 205, as a guide for students, and presents a general strategy for solving integrals effectively. With this material is a solutions manual to exercises. This document set also includes a unit featuring applications of calculus to geography: 206-Mercator's World Map and the Calculus. Unit 207-Management…
Descriptors: Biology, Calculus, Chemistry, College Mathematics