Jan Marthedal Rasmussen
@janmr.com
Programmer, amateur mathematician, BJJ brown belt
https://janmr.com
https://janmr.com
December 9, 2025 at 6:53 AM
Two Notes on Notation by Donald E. Knuth (Iverson’s convention and Stirling numbers) arxiv.org/abs/math/920... #math #notation
December 8, 2025 at 8:14 AM
Two Notes on Notation by Donald E. Knuth (Iverson’s convention and Stirling numbers) arxiv.org/abs/math/920... #math #notation
December 7, 2025 at 11:45 AM
Langford pairs: Arrange the 2n numbers {1, 1, 2, 2, ..., n, n} such that exactly k numbers occur between the two appearances of each digit k dialectrix.com/langford.html #math #combinatorics
December 6, 2025 at 2:52 PM
Langford pairs: Arrange the 2n numbers {1, 1, 2, 2, ..., n, n} such that exactly k numbers occur between the two appearances of each digit k dialectrix.com/langford.html #math #combinatorics
Continued Fractions and Continuants janmr.com/posts/contin... #math #computerscience #algoritms #continuedfractions
December 5, 2025 at 6:39 AM
Continued Fractions and Continuants janmr.com/posts/contin... #math #computerscience #algoritms #continuedfractions
Computing the Greatest Common Divisor janmr.com/posts/comput... #math #programming #number-theory #algorithm
December 2, 2025 at 1:52 PM
Computing the Greatest Common Divisor janmr.com/posts/comput... #math #programming #number-theory #algorithm
Useful Properties of the Floor and Ceil Functions janmr.com/posts/useful... #floor #ceil #functions #math #programming
November 30, 2025 at 10:15 AM
Useful Properties of the Floor and Ceil Functions janmr.com/posts/useful... #floor #ceil #functions #math #programming
November 28, 2025 at 7:53 AM
Modern Computer Arithmetic, a book about algorithms for performing arithmetic, and their implementation on modern computers maths-people.anu.edu.au/~brent/pub/p... members.loria.fr/PZimmermann/... #multiple-precision #arithmetic #algorithms #online #book
November 27, 2025 at 6:53 AM
Modern Computer Arithmetic, a book about algorithms for performing arithmetic, and their implementation on modern computers maths-people.anu.edu.au/~brent/pub/p... members.loria.fr/PZimmermann/... #multiple-precision #arithmetic #algorithms #online #book
Nice Proof of a Geometric Progression Sum janmr.com/posts/nice-g... #math #visualization #visual-proof
November 26, 2025 at 5:59 AM
Nice Proof of a Geometric Progression Sum janmr.com/posts/nice-g... #math #visualization #visual-proof
A good example of where the phrase "An exception that proves the rule" would be applicable
November 28, 2024 at 1:56 PM
A good example of where the phrase "An exception that proves the rule" would be applicable