So much working, reading, thinking, living to do! A lifetime is not long enough.
Sylvia Plath
Feynman's integration technique
04 August 2025
How does differentiating under the integral sign work for simple integrals?
1026 May 2025
Numbers with only one prime number each as factors
12Forward-mode and reverse-mode autodiff in python featuring dual numbers and graph traversals
1326 March 2025
Masaki Kashiwara for contributions to algebraic analysis and representation theory
19On the products of $n$ consecutive numbers
21 November 2024
Why is the product of $n$ consecutive numbers always a multiple of $n.$
25New + Mersenne + Largest Prime Found
21 October 2024
After six long years, and for the first time using GPUs
30An Elliptic Curve with Rank $\ge$ 29 has been found
31 August 2024
more math news from Mathstodon
33On the sums of multiples of two numbers
23 August 2024
A pattern that has evaded explanation for a long time, so I'm posting it here.
34$x^n/n!$ and Stirling's Formula
15 August 2024
What is the size of the shift between two successive curves and how do you show that they intersect at integer points?
35A very nice ruler and compass geometry puzzle
14 June 2024
Find the shortest route between two points in a circle by touching the circumference along the route.
40International Women in Mathematics Day
12 May 2024
Remembering 2014 Fields Medallist Maryam Mirzakhani
4329 April 2024
Some fun questions I've been trying to solve on and off this month
4511 April 2024
Avi Wigderson for foundational contributions to the theory of computation.
4931 March 2024
A discontinuity paradox
5121 March 2024
Michel Talagrand for contributions to probability theory and functional analysis
5205 February 2024
My notes while trying to make sense of the Navier Stokes problem
5724 January 2024
Some notes on rod-cutting, LCS, and 0-1 Knapsack...
6007 January 2024
explicit constructions of sets with more unique pairwise sums than differences
6203 November 2023
a very elegant proof that I learnt after many hours of toil
6822 September 2023
Analysis of Entry A004207 in the OEIS
74A Variation of the Four Fours Problem
05 September 2023
Streaming while doing math
76Seam Carving — Energy Function
01 September 2023
Live Coding Seam Carving Part 2
78Conway's Game of Life is omniperiodic!
22 July 2023
A very good thread (with an unexpected Alexander crossover) from Mathstodon
8821 July 2023
an elegant problem with an even more elegant solution
89Einstein Summation Notation Exercises
13 July 2023
Exercises in faster and more intuitive tensor notation for deep learning.
91John Conway's Doomsday Algorithm
12 July 2023
This is a very good party trick to learn
92Faster Factorial Approximations
02 July 2023
Comparing factorial computation times vs. approximation as exponentiation, gamma functions, and Stirling's approximation.
94Convergence of an Arithmetic Mean Series
14 May 2023
Prove that a series where each term is the arithmetic mean of the previous two terms converges.
9721 March 2023
How I work with $\LaTeX$ locally instead of using OverLeaf
101Root Finding with Newton's Method
18 December 2022
Testing whether Newton's method decays updates exponentially
106Exercises in Number Theory [UFO]
05 December 2022
Proofs and solutions from "Elementary Introduction to Number Theory" by Calvin Long
10707 November 2022
One of these is not like the other
108Seam Carving — Intuition and Ideas
30 October 2022
Live Coding Seam Carving Part 1
10919 October 2022
some solutions I wrote up
11107 July 2022
Is it right?
11905 July 2022
number theory, sphere packing, and chromatic polynomials
12120 June 2022
The inbuilt ceil function was being very unwieldy. I prefer defining my own inline function now.
12223 January 2022
Storing a few results here for future use
134How Many Recursive Calls Does a Recursive Function Make?
17 January 2022
a wild fibonacci appears
135So, you think you're bad at math...
15 January 2022
A video from Prof. Courtney Gibbons I revisit a lot
13630 June 2020
Fermat's Last Theorem, Essay Writing and the return of La Liga and Serie A.
14331 May 2020
A revision of first principles and more mathematics
145Proof that $\exp(x)=\displaystyle\lim_{n\rightarrow\infty}\left(1+\frac{x}{n}\right)^{n}$
14 May 2020
A math-heavy but super elegant proof that I learnt
14730 April 2020
Mathematics mostly, with some code sprinkle-tossed in. Solving puzzles never felt more exhilarating.
14814 April 2020
Analysis and Solutions for the 2020 edition of Google's annual Code Jam competition.
14919 November 2019
Notes for a lecture I gave as an undergrad
153