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Topics /
Math & Algorithms
The most popular blog posts about math & algorithms on Hacker News. 189 posts.
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We're not Platonists, we've just learned the bitter lesson
Machine Alignment Monday, 7/24/23
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An interactive explanation of quadtrees (2014)
The space is divided into four rectangles . Each of those rectangles is divided such that it contains a maximum of four children . Each child is either a point or a smaller rectangle.
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Fractional Factorial Experiment Design: There Are Too Many Experiments to Do
Have you ever found yourself in a situation where you had a bunch of parameters to tune for a better result, but there were just too many to exhaustively search all possibilities? I recently saw a …
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Constraint Programming (2020)
A brief introduction tutorial to Constraint Programming with Python, we introduce some relevant definitions and solve our old Pokémon Centers and Pokémon Gyms problem this time with CP!
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An intutive counterexample to the axiom of choice
Time for some hard-core geeking-out. This comment on HN by /u/jiggawatts struck me as a brilliant idea: it's an intuitive counter-example t...
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Types versus sets (and what about categories?) (2022)
A recent Twitter thread brought home to me that there is widespread confusion about what types actually are, even among the most prominent researchers. In particular: are types the same thing as sets ? At the risk of repeating some of my prior posts, perhaps it’s time for a little history about type theory, set theory…
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Surprisingly Turing-Complete
A catalogue of software constructs, languages, or APIs which are unexpectedly Turing-complete; implications for security and reliability.