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Autor/in | Stewart, Ian |
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Titel | Cups and Downs |
Quelle | In: College Mathematics Journal, 43 (2012) 1, S.15-19 (5 Seiten)Infoseite zur Zeitschrift
PDF als Volltext |
Sprache | englisch |
Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
ISSN | 0746-8342 |
DOI | 10.4169/college.math.j.43.1.015 |
Schlagwörter | Mathematics; Visual Aids; Matrices; Comparative Analysis; Problem Solving; College Mathematics |
Abstract | Martin Gardner wrote about a coin-flipping trick, performed by a blindfolded magician. The paper analyses this trick, and compares it with a similar trick using three cups flipped in pairs. Several different methods of analysis are discussed, including a graphical analysis of the state space and a representation in terms of a matrix. These methods can also solve a more general problem about inverting n cups m at a time, whose answer is surprisingly complicated. (As Provided). |
Anmerkungen | Mathematical Association of America. 1529 Eighteenth Street NW, Washington, DC 20036. Tel: 800-741-9415; Tel: 202-387-5200; Fax: 202-387-1208; e-mail: maahq@maa.org; Web site: http://www.maa.org/pubs/cmj.html |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
Update | 2017/4/10 |