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Topics /
Math & Algorithms
The most popular blog posts about math & algorithms on Hacker News. 75 posts.
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Do all first links on Wikipedia lead to philosophy?
wikipedia trivia: if you take any article, click on the first link in the article text not in parentheses or italics, and then repeat, you will eventually end up at Philosophy.
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Equations True Computer Science Geeks Should (at Least Pretend to) Know
This idea is a complete rip off an article that appeared in Wired a little while ago and it got me thinking what would my list for Compu...
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A shuffled deck of cards is unique in all human history
Every time you shuffle a deck of playing cards, it's probably a unique order, never before seen in human history.
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The polynomial algorithm for 3-SAT problem (or P=NP)
Dear Fellow Researchers, Would you kindly pay attention to the article “Non-Orthodox Combinatorial Models Based on Discordant Structures” by the author V. F. Romanov published on arXiv.…
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A Stick Figure Guide to the Advanced Encryption Standard (AES)
(A play in 4 acts. Please feel free to exit along with the stage character that best represents you. Take intermissions as you see fit. Click on the stage if...
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Donut math - How donut.c works
There has been a sudden resurgence of interest in my "donut" code from 2006 , and I've had a couple requests to explain this one. It's been five years now, so it's not exactly fresh in my memory, so I will reconstruct it from scratch, in great detail, and hopefully get approximately the same result.
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Kill Math
The power to understand and predict the quantities of the world should not be restricted to those with a freakish knack for manipulating abstract symbols.
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What does 0^0 equal? Why do mathematicians and high school teachers disagree?
Clever student: I know! $latex x^{0}$ = $latex x^{1-1}$ = $latex x^{1} x^{-1}$ = $latex \frac{x}{x}$ = $latex 1$. Now we just plug in x=0, and we see that zero to the zero is one! Cleverer …
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Gray code at the pediatrician's office
From the highly eclectic blog of Mark Dominus
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Best algorithms book I ever read
Best algorithms book I ever read I took a fair amount of time looking at data structures and algorithms while I was st...
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Algorithmic symphonies from one line of code
Lately, there has been a lot of experimentation with very short programs that synthesize something that sounds like music. I now want to sha...
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New string search algorithm
ULTRARUBY JEWELRY menghadirkan pilihan perhiasan berlian yang elegan untuk melengkapi gaya dan momen istimewa Anda.
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Java Hangs When Converting 2.2250738585072012e-308
Konstantin Preißer made an interesting discovery , after reading my article “ PHP Hangs On Numeric Value 2.2250738585072011e-308 ”: Java — both its runtime and compiler — go into an infinite loop when converting the decimal number 2.2250738585072012e-308 to double-precision binary floating-point. This number is…
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PHP 5.3.3 hangs on numeric value 2.2250738585072011e-308
I stumbled upon a very strange bug in PHP; this statement sends it into an infinite loop:
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Patent 5,893,120 reduced to mathematical formulae
I have previously argued that the Bilski ruling renders all software unpatentable in the US because any method of manipulating information ...
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The Prime That Wasn’t
Life, technology, and other good things