Jan Marthedal Rasmussen @janmr.com · 01/10/2026TypeScript had its first release, version 0.8, on this day in 2012 web.archive.org/web/20150403... #onthisday #typescript #programming 010
Jan Marthedal Rasmussen @janmr.com · 30/09/2026How We Got from There to Here: A Story of Real Analysis milneopentextbooks.org/how-we-got-f... #math #analysis #history 000
Jan Marthedal Rasmussen @janmr.com · 29/09/2026Lill's method is a visual method of finding the real roots of a univariate polynomial of any degree en.wikipedia.org/wiki/Lill%27... #math #visualizationen.wikipedia.orgLill's method - Wikipedia 001
Jan Marthedal Rasmussen @janmr.com · 26/09/2026What is the sum of all 5 digit numbers using 1, 2, 3, 4, 5 without repetition? janmr.com/posts/sum-of... #math #combinatoricsjanmr.comjanmr.com | A Sum of All Digit PermutationsWhat is the sum of all 5 digit numbers using 1, 2, 3, 4, 5 without repetition? 000
Jan Marthedal Rasmussen @janmr.com · 24/09/2026Functional Programming in Lean, a free book on using Lean as a programming language lean-lang.org/functional_p... #lean #functional #programming #book #online 020
Jan Marthedal Rasmussen @janmr.com · 23/09/2026Today marks the September equinox, the moment when the Sun crosses the celestial equator moving southward, resulting in nearly equal hours of day and night across the globe and marking the start of astronomical autumn in the Northern Hemisphere janmr.com/posts/equino... #september #equinox 121
Jan Marthedal Rasmussen @janmr.com · 20/09/2026Introduction to the Finite Element Method: The Discrete Formulation janmr.com/posts/finite... #math #numericalanalysis #fem #pdejanmr.comjanmr.com | The Discrete FormulationRestricting the weak problem to a finite-dimensional subspace with the Galerkin method, assembling the stiffness matrix and load vector, and bounding the discretisation error with Céa's lemma. 000
Jan Marthedal Rasmussen @janmr.com · 17/09/2026Bernhard Riemann was born 200 years ago today. His ideas concerning geometry of space had a profound effect on the development of modern theoretical physics. mathshistory.st-andrews.ac.uk/Biographies/... www.maths.tcd.ie/pub/HistMath... #onthisday #mathematicsmathshistory.st-andrews.ac.ukBernhard Riemann - BiographyBernhard Riemann's ideas concerning geometry of space had a profound effect on the development of modern theoretical physics. He clarified the notion of integral by defining what we now call the Riema... 000
Jan Marthedal Rasmussen @janmr.com · 15/09/2026A Method for the Construction of Minimum-Redundancy Codes, by David A. Huffman — published in September 1952, introducing what is now known as Huffman coding www.worldradiohistory.com/Archive-IRE/... #algorithms #informationtheory 000
Jan Marthedal Rasmussen @janmr.com · 13/09/2026The term "regression" in Regression Analysis comes from Sir Francis Galton, who in the 1870s-80s observed that offspring characteristics tend to regress toward the population mean rather than resembling their parents' extremes en.wikipedia.org/wiki/Regress... #machinelearning #regression #history 000
Jan Marthedal Rasmussen @janmr.com · 08/09/2026Reminds me of this post: gruhn.me/blog/2026-08...gruhn.meNiklas Gruhn - Don't be a meat proxy 000
Jan Marthedal Rasmussen @janmr.com · 05/09/2026The Rust Programming Language — the official free book for learning Rust, known as "the book" doc.rust-lang.org/book/ #online #rust #book 000
Jan Marthedal Rasmussen @janmr.com · 01/09/2026BLAS is was announced on this day in 1979: Basic Linear Algebra Subprograms for Fortran Usage dl.acm.org/doi/10.1145/... netlib.org/blas/ #onthisday #blas #numericalanalysis #library #fortran 020
Jan Marthedal Rasmussen @janmr.com · 30/08/2026Parallel Computing from Stanford — a free YouTube playlist covering parallel programming concepts, GPU computing, and performance optimization #online #course #computerscience #programming www.youtube.com/playlist?lis...youtube.comStanford CS149 I Parallel Computing I 2023 I Kayvon Fatahalian and Kunle Olukotun - YouTubeFrom smartphones, to multi-core CPUs and GPUs, to the world's largest supercomputers and websites, parallel processing is ubiquitous in modern computing. The... 000
Jan Marthedal Rasmussen @janmr.com · 19/08/2026SciPy 0.1 was released on this day in 2001 mail.python.org/pipermail/py... #scipy #onthisday 000
Jan Marthedal Rasmussen @janmr.com · 16/08/2026Introduction to the Finite Element Method: Weak Formulation of Elliptic PDEs janmr.com/posts/finite... #math #numericalanalysis #fem #pdejanmr.comjanmr.com | Weak Formulation of Elliptic PDEsExtending the weak formulation to general second-order elliptic operators, giving the abstract bilinear form and linear functional of the finite element method. 000
Jan Marthedal Rasmussen @janmr.com · 09/08/2026TheoremDB — A public workspace for machine mathematics: open problems, permanent records of proofs and attempts, evidence and credit theoremdb.org #math #OpenSciencetheoremdb.orgTheoremDB · A public workspace for machine mathematicsA public workspace for machine mathematics: open problems, permanent records of proofs and attempts, evidence and credit. 000
Jan Marthedal Rasmussen @janmr.com · 06/08/2026Introduction to the Finite Element Method: Example of Weak Solution to the Poisson Problem janmr.com/posts/finite... #math #numericalanalysis #fem #pde 000
Jan Marthedal Rasmussen @janmr.com · 03/08/2026A peer-reviewed video journal for mathematical research talks www.mathematicaldiscourse.org #online #mathematics #video #journalmathematicaldiscourse.orgMathematical Discourse - Mathematical DiscourseA peer-reviewed video journal for mathematical research talks. 000
Jan Marthedal Rasmussen @janmr.com · 01/08/2026Introduction to the Finite Element Method: Weak Formulation of the Poisson Problem janmr.com/posts/finite... #math #numericalanalysis #fem #pdejanmr.comjanmr.com | Weak Formulation of the Poisson ProblemDeriving the weak form of the Poisson equation by integration by parts, with essential and natural boundary conditions and the conditions for well-posedness. 001
Jan Marthedal Rasmussen @janmr.com · 30/07/2026Given n people, you can arrange n(n−1)/2 matches between them. If n is even, you can do n−1 rounds of n/2 matches; if n is odd, n rounds of (n−1)/2 matches. en.wikipedia.org/wiki/Round-r... #math #combinatorics #algorithms 000
Jan Marthedal Rasmussen @janmr.com · 28/07/2026Introduction to the Finite Element Method: General Elliptic PDEs janmr.com/posts/finite... #math #numericalanalysis #fem #pdejanmr.comjanmr.com | General Elliptic PDEsGeneralising the Poisson equation to second-order linear elliptic operators, with uniform ellipticity, conormal boundary conditions, and well-posedness. 000
Jan Marthedal Rasmussen @janmr.com · 26/07/2026Freely available programming books, a large, community-curated list of free learning resources in many languages and topics ebookfoundation.github.io/free-program... #online #programming #books 010
Jan Marthedal Rasmussen @janmr.com · 24/07/2026Introduction to the Finite Element Method: The Poisson Problem janmr.com/posts/finite... #math #numericalanalysis #fem #pde 000
Jan Marthedal Rasmussen @janmr.com · 22/07/2026Dictionary of Algorithms and Data Structures from NIST — a free online reference for algorithm and data structure terminology xlinux.nist.gov/dads/ #computerscience #algorithms 000
Jan Marthedal Rasmussen @janmr.com · 20/07/2026Linus Torvalds on using AI for Linux: "I realize that some people really dislike AI, but this is an area where I'm willing to absolutely put my foot down as the top-level maintainer." lore.kernel.org/linux-media/... #linux #ai 100
Jan Marthedal Rasmussen @janmr.com · 19/07/2026Neural Networks - The Optimization Problem janmr.com/posts/neural... #neuralnetworks #machinelearning #optimizationjanmr.comjanmr.com | Neural Networks - The Optimization Problem 010
Jan Marthedal Rasmussen @janmr.com · 17/07/2026Introduction to the Theory of Programming Languages by Bertrand Meyer — free book covering formal foundations of programming languages bertrandmeyer.com/itpl/ #programming #computerscience #online #bookbertrandmeyer.comOnline version of "Introduction to the Theory of Programming Languages" - Bertrand Meyer's technology+ blogA full, free online version of Introduction to the Theory of Programming Languages, 2nd printing (1991) Copyright notice: The text is not in the public domain. It is copyrighted material, made availab... 020
Jan Marthedal Rasmussen @janmr.com · 15/07/2026A Mathematical Theory of Communication by C. E. Shannon (1948) — the foundational paper that established information theory people.math.harvard.edu/~ctm/home/te... #math #paper #informationtheory 020
Jan Marthedal Rasmussen @janmr.com · 05/07/2026Maximum Overhang: How far can a stack of n identical blocks be made to hang over the edge of a table? arxiv.org/abs/0707.0093 #math 000
Jan Marthedal Rasmussen @janmr.com · 28/06/2026Introduction to Neural Networks, part 3: Multiple Inputs janmr.com/posts/neural... #neuralnetworks #machinelearningjanmr.comjanmr.com | Neural Networks - Multiple Inputs 110
Jan Marthedal Rasmussen @janmr.com · 21/06/2026Today marks the June solstice, the longest day in the Northern Hemisphere and the shortest day in the Southern Hemisphere. At 08:24 UTC the North Pole is tilted maximally (about 23.4°) towards the Sun. janmr.com/posts/equino... #astronomy #june #solstice 000
Jan Marthedal Rasmussen @janmr.com · 19/06/2026Stanford Engineering Everywhere — includes the three-course Introduction to Computer Science, taken by the majority of Stanford’s undergraduates, as well as more advanced courses in artificial intelligence and electrical engineering see.stanford.edu #computerscience #mathematics #online #courses 000
Jan Marthedal Rasmussen @janmr.com · 16/06/2026The Joy of Cryptography — an undergraduate-level textbook introducing the fundamentals of provable security joyofcryptography.com #cryptography #computerscience #online #book 090
Jan Marthedal Rasmussen @janmr.com · 14/06/2026Introduction to Neural Networks, part 2: The Model janmr.com/posts/neural... #neuralnetworks #machinelearningjanmr.comjanmr.com | Neural Networks - The ModelWe define the neural network model that we will be exploring in the following posts 020
Jan Marthedal Rasmussen @janmr.com · 12/06/2026Attention Is All You Need was published in June 2017 — the paper introduced the Transformer architecture, which laid the foundation for modern large language models arxiv.org/abs/1706.03762 #paper #llm 220
Jan Marthedal Rasmussen @janmr.com · 11/06/2026Linear Algebra by Gilbert Strang — one of the most popular free linear algebra courses, with video lectures and materials ocw.mit.edu/courses/18-0... #online #course #math #linearalgebra 000
Jan Marthedal Rasmussen @janmr.com · 08/06/2026Foundations of Computer Science by Alfred Aho and Jeffrey Ullman — a freely available CS textbook covering automata, languages, and computation infolab.stanford.edu/~ullman/focs... #online #book #computerscience 060
Jan Marthedal Rasmussen @janmr.com · 07/06/2026Introducing a series of posts on the basics of Neural Networks janmr.com/posts/neural... #neuralnetworks #machinelearning #numpyjanmr.comjanmr.com | Neural Networks - PrefaceIntroducing a series of posts on the basics of Neural Networks 030
Jan Marthedal Rasmussen @janmr.com · 05/06/2026The Story of C++: The World's Most Consequential Programming Language | The Official Story www.youtube.com/watch?v=lI7t... #documentary #video #cppyoutube.comThe Story of C++: The World's Most Consequential Programming Language | The Official StoryYouTube video by CultRepo 000
Jan Marthedal Rasmussen @janmr.com · 31/05/2026The paper A Universal Algorithm for Sequential Data Compression was published in May of 1977—it introduced the LZ77 algorithm which became the foundation for a family of derivative compression algorithms ieeexplore.ieee.org/document/105... courses.cs.duke.edu/spring03/cps... #compression #algorithms 010
Jan Marthedal Rasmussen @janmr.com · 30/05/2026Rust and Iterator Adapters janmr.com/posts/rust-a... #rust 000
Jan Marthedal Rasmussen @janmr.com · 18/05/2026Calculus by Gilbert Strang — an online book that covers single variable and multivariable calculus in depth, and is rich with applications ocw.mit.edu/courses/res-... #math #calculus #online #book 020
Jan Marthedal Rasmussen @janmr.com · 17/05/2026The nth Bit of a Negative Number janmr.com/posts/nth-bi... #multipleprecision #bitfiddlingjanmr.comjanmr.com | The nth Bit of a Negative Number 000
Jan Marthedal Rasmussen @janmr.com · 10/05/2026Algorithms by Jeff Erickson — a free, comprehensive algorithms textbook from the University of Illinois jeffe.cs.illinois.edu/teaching/alg... #computerscience #algorithms #online #book 030
Jan Marthedal Rasmussen @janmr.com · 09/05/2026Generating All Permutations janmr.com/posts/genera... #combinatorics #algorithms #python #rustjanmr.comjanmr.com | Generating All Permutations 020
Jan Marthedal Rasmussen @janmr.com · 07/05/2026The Syntax and Semantics of einsum arxiv.org/abs/2509.20020 #python #numpy #ndarrays #tensors #einsum 000
Jan Marthedal Rasmussen @janmr.com · 30/04/2026Full text of the Python Data Science Handbook by Jake VanderPlas jakevdp.github.io/PythonDataSc... #python #online #datascience #book 020