901
I can't let go of “The Dunning-Kruger Effect is Autocorrelation”
Organizing my thoughts regarding an argument about the Dunning-Kruger study and statistics in general
New
The latest blog posts to take off on Hacker News. 2,391 posts.
902
Things I would like to see in a computer algebra system
If I were to design a computer algebra system (CAS) from scratch today, I would try to achieve the following goals. Several ideas have already been implemented in one system or another, but certainly not all at once. Some ideas could be adopted by existing CASes; others would require fundamentally different designs or…
903
Can you be sure to clear a line at Tetris?
Summary: it is possible to play Tetris and guarantee that you will score at least one line, no matter which pieces are given to you, i.e., even assuming they are chosen adversarially.
904
Bad but interesting mathematical notation idea
From the highly eclectic blog of Mark Dominus
905
Exponentially Better Rotations
If you’ve done any 3D programming, you’ve likely encountered the zoo of techniques and representations used when working with 3D rotations. Some of them are better than others, depending on the situation.
906
907
Why a Slide Rule Works
Why does lining up two scales of a slide rule let you multiply numbers?
908
Money Stuff is Linear-ish
What was once a pre-market morning newsletter became an afternoon newsletter, 12 seconds at a time
909
The examples in the textbooks are not representative of real world problems
Bill Harris points to this cartoon from Randall Munroe. I think he (Munroe) is really on to something here. Not about Bayes’s theorem but about the sorts of examples that are in textbooks.
910
Markov Chains for programmers
Materials for book: “Markov Chains for programmers”
911
Learning math? Think like a cartoonist
What's the essential skill of a cartoonist? Drawing ability? Humor? A deep well of childhood trauma? I'd say it's an eye for simplification, capturing the…
912
Finding Waldo in π
The SMBC comic Convert included as the “Votey button” a challenge to extract a Waldo visual from the digits of π.
913
What do new Sudoku techniques teach us about real-world problem solving?
What do revolutionary new Sudoku techniques teach us about real-world problem solving?
914
Implementing Cosine in C from Scratch (2020)
How does the math library's trigonometric function work?
915
When Double Precision Is Not Enough
Using greater than double precision to calculate the eigenvalues of the lesp matrix.
916
917
Why tensors? A beginner's perspective
Faizan Muhmmad is a Software Engineer at Google
918
919
920
Damn Cool Algorithms: Levenshtein Automata
Posted by Nick Johnson | Filed under python , tech , coding , damn-cool-algorithms
921
How does perspective work in pictures?
Why don’t photographs make distant objects big enough?
922
An unwinnable seed of Slay the Spire
Overview In this post, I will describe a collaborative effort that proved that unwinnable Slay the Spire seeds exist. This project is joint work with gamerpuppy and ForgottenArbiter and is based on the several attempts that have been made to prove unwinnability for seeds in Slay the Spire.
923
What use is mental math in 2022?
The ability to quick estimates is still valuable, maybe more valuable than it used to be.
924
925
Explanation of Bitcoin’s Elliptic Curve Digital Signature Algorithm
Elliptic Curve Cryptography (ECC) has grown to be very popular in public-key cryptographic systems, most popularly used in Bitcoin. ECC is…
926
The claimed effect size is about a zillion times higher than is plausible
Some years ago, you blogged about a research article by Hasan and colleagues (2013) .
927
Gödel's Incompleteness Theorem in Bash
Gödel’s first incompleteness theorem states that there are mathematical statements that can neither be proven or disproven. His proof is fairly difficult to ...
928
The fastest GIF does not exist
Some games on a website
929
930
Breaking 256-Bit Elliptic Curve Encryption with a Quantum Computer
Researchers have calculated the quantum computer size necessary to break 256-bit elliptic curve public-key cryptography: Finally, we calculate the number of physical qubits required to break the 256-bit elliptic curve encryption of keys in the Bitcoin network within the small available time frame in which it would…