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New
The latest blog posts to take off on Hacker News. 216 posts.
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Generalized Knights
Knights in chess move in an L-shape: 2 squares in one direction and 1 square perpendicular. But what if it didn't have to be like that?
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Flattening Quadratic Béziers
Blog of Raph Levien.
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Stock Option Pricing Inference
I’m a stock market enthusiast 📈, so lately I have spent my spare time on the topic of stock option pricing, and I was curious to find out whether or not I could build a script that accurately reflected real market option prices. It turns out I came close, and learned a lot along the way, which I share in this article.
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Predicting When P=NP Is Resolved
Has it outlasted the ability to estimate when? Composite of src1, src2 Ryohei Hisano and Didier Sornette wrote in 2012 a paper titled, “On the distribution of time-to-proof of mathematical co…
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Free and Open-Source Mathematics Textbooks
Mathematics, Teaching, & Technology
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Dungeon Generation in Enter The Gungeon
I’ve been playing a lot of Enter The Gungeon recently. It’s a great, brutally hard, twin stick bullet hell that reminded me a lot of Binding of Isaac. But as I’ve been playing it …
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Xor Filters: Faster and Smaller Than Bloom Filters
In software, you frequently need to check whether some objects is in a set. For example, you might have a list of forbidden Web addresses. As someone enters a new Web address, you may want to check whether it is part of your black list. Or maybe you have a large list of already used … Continue reading Xor Filters…
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Eller’s Algorithm (2012)
Eller's algorithm creates 'perfect' mazes, having only a single path between any two cells, one row at a time. The algorithm itself is incredibly fast, and far more memory efficient than other popular algorithms (such as Prim's and Kruskal's) requiring storage proportional to only a single row. This makes it possible…
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Information Theory with TensorFlow
Redirecting to https://www.mukeshmithrakumar.com/blog/deep-learning-with-tf2-probability-and-information-theory/ .
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L-systems
Jordan Santell, focusing on open web engineering, immersive web, WebXR, WebGL, JavaScript, open source, open standards, and all things weird web.
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Héctor Garcia-Molina, 1953–2019
We all lost a great person Cropped from Mexican NotiCyTI obit Héctor Garcia-Molina died just before Thanksgiving. He was a computer scientist and Professor in both the Departments of Computer Scien…
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Understanding “Deep Double Descent”
Double descent is a puzzling phenomenon in machine learning where increasing model size/training time/data can initially hurt performance, but then i…
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What’s Wrong with Bayes
My problem is not just with the methods—although I do have problems with the method—but also with the ideology.
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Better Intuition for Information Theory
Better visual explanations of information theoretic quantities like entropy and mutual information using I-diagrams. Based on Raymond W. Yeung's "A new outlook on Shannon's information measures" paper from 1991.
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A Good Year for “A Programmer’s Introduction to Mathematics”
A year ago today I self-published “A Programmer’s Introduction to Mathematics” (PIM). In this short note I want to describe the success it’s had, summarize the complaints of some readers and the praise of others, and outline what’s next. Since publication PIM has sold over 11,000 copies. A rough chart showing the…
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An Overview of Cryptography
Free, evolving crypto tutorial since 1999!
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Why does F = ma?
By Michael Nielsen, November 23, 2019
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Logic Puzzles with Prolog (2017)
Solving Logic Puzzles with Prolog
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Eigenvectors from eigenvalues
Peter Denton, Stephen Parke, Xining Zhang, and I have just uploaded to the arXiv the short unpublished note “Eigenvectors from eigenvalues”. This note gives two proofs of a general eige…
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Homology
Xoilac TV trực tiếp bóng đá HD hàng đầu Việt Nam, đường truyền ổn định, đa dạng link trực tuyến, đa dạng giải đấu, BLV chuyên môn cao và hoàn toàn miễn phí.