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New
The latest blog posts to take off on Hacker News. 21 posts.
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What number is halfway between 1 and 9?
A new information-theoretical model of human sensory perception and memory sheds light on some peculiarities of the nervous system.
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Automating xkcd Diagrams: Transforming Serious to Funny
Read Wolfram's latest announcements, events, news and developer insights. In-depth highlights of Wolfram technologies used across industry, research, education.
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All Rational Approximations of Pi Are Useless
Investigation to find a better rational approximation for pi. Can we get out more digits than we put in? Chance to win a prize if you can do bette
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Girls Need Math
The other day a programmer-friend sent an e-mail to me and three other women. It read:
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Dynamic Programming versus Memoization
_posted by Shriram Krishnamurthi_ [Edit on 2012-08-27, 12:31EDT: added code and pictures below. 2012-08-27, 13:10EDT: also incorporated some comments.] I wrote this on the Racket educators' mailing list, and Eli Barzilay suggested I post it here as well...
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Stop teaching calculating; Start teaching math
Conrad Wolfram's 2010 talk on reforming maths education to teach real-world computational methods using computers.
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10-year-old problem in theoretical computer science falls
Interactive proofs — mathematical games that underlie much modern cryptography — work even if players try to use quantum information to cheat.
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Can a person be identified by just the way they type?
Do a detailed analysis of your own typing style, just using Mathematica. Can a person be identified just by the way they type? See group data analysis.
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Why multi-armed bandit algorithm is not "better" than A/B testing
Learn about the basics of multi armed bandit testing & algorithms, the difference b/w multi-armed bandit testing and A/B testing, its application in the real world.
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New Particle Discovered at CERN
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Physicist Uses Math to Beat Traffic Ticket
Learn about public engagement activities from the American Physical Society
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Prof. dr. N.G. de Bruijn, 1918-2012
Korteweg-de Vries Institute for Mathematics
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Nearly all binary search and merge sort implementations are broken (2006)
Posted by Joshua Bloch, Software EngineerI remember vividly Jon Bentley's first Algorithms lecture at CMU, where he asked all of us incoming Ph.D. ...
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The faster-than-fast Fourier transform
For a large range of practically useful cases, MIT researchers find a way to increase the speed of one of the most important algorithms in the information sciences.