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Street-Fighting Mathematics
Author: Sanjoy Mahajan

ISBN: 9780262514293
Format: Paperback
Number Of Pages: 152
Published: 18 February 2010
Country of Publication: US
Dimensions (cm): 22.8 x 18.0 x 0.8
Description:
In problem solving, as in street fighting, rules are for fools: do whatever works--don't just stand there Yet we often fear an unjustified leap even though it may land us on a correct result. Traditional mathematics teaching is largely about solving exactly stated problems exactly, yet life often hands us partly defined problems needing only moderately accurate solutions. This engaging book is an antidote to the rigor mortis brought on by too much mathematical rigor, teaching us how to guess answers without needing a proof or an exact calculation. In "Street-Fighting Mathematics," Sanjoy Mahajan builds, sharpens, and demonstrates tools for educated guessing and down-and-dirty, opportunistic problem solving across diverse fields of knowledge--from mathematics to management. Mahajan describes six tools: dimensional analysis, easy cases, lumping, picture proofs, successive approximation, and reasoning by analogy. Illustrating each tool with numerous examples, he carefully separates the tool--the general principle--from the particular application so that the reader can most easily grasp the tool itself to use on problems of particular interest. "Street...

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