Problem solving rules are for fools, says streetfighting mathematician
The New York Times has an interesting Q&A with Sanjoy Mahajan, author of Street-Fighting Mathematics, that delivers his take on the Gulf Oil spill, and the relationship between stair-climbing and eating jelly doughnuts. Here’s the promo spiel for his book…
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.
Under a business model that makes no sense at all to us, the PDF of his book is also provided for free.















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