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Stewart, Ian, 1945-. (2012) Cups and downs. College Mathematics Journal, Vol.43 (No.1). pp. 15-19. ISSN 0746-8342
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Official URL: http://dx.doi.org/10.4169/college.math.j.43.1.015
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.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QA Mathematics |
| Divisions: | Faculty of Science > Mathematics |
| Journal or Publication Title: | College Mathematics Journal |
| Publisher: | Mathematical Association of America |
| ISSN: | 0746-8342 |
| Date: | January 2012 |
| Volume: | Vol.43 |
| Number: | No.1 |
| Page Range: | pp. 15-19 |
| Identification Number: | 10.4169/college.math.j.43.1.015 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/44088 |
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