mscroggs.co.uk

mscroggs.co.uk

blog puzzles academic talks contact subscribe ↓ ☰ ↓

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.

2024-12-13

@Seth Cohen: In response to my earlier comment, I solved it assuming it's correct as written, so I guess it's correct as written!

Seth Cohen
on /blog/111

×2

Archive

Show me a random blog post

2026

Feb 2026

Christmas (2025) is over

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

live stream sorting crosswords estimation alphabets mean ternary misleading statistics inline code crossnumber squares braiding crochet logic triangles books hats zines pi big internet math-off matrix multiplication data london underground coins menace asteroids finite element method plastic ratio palindromes python warwick bempp game show probability trigonometry sound fence posts rust national lottery logo weak imposition cross stitch php chalkdust magazine boundary element methods kenilworth mathsjam harriss spiral numbers pizza cutting fonts manchester thirteen european cup gather town captain scarlet finite group gerry anderson puzzles bots approximation dinosaurs graph theory regular expressions pascal's triangle reddit hannah fry dataset preconditioning light radio 4 speed numerical analysis sobolev spaces curvature mathsteroids standard deviation graphs raspberry pi dragon curves signorini conditions nine men's morris pac-man stickers determinants exponential growth realhats correlation folding tube maps hexapawn ucl computational complexity friendly squares mathslogicbot royal baby databet recursion phd statistics manchester science festival programming football partridge puzzle hyperbolic surfaces wool chebyshev oeis advent calendar pythagoras golden spiral flexagons inverse matrices rhombicuboctahedron 24 hour maths platonic solids talking maths in public coventry royal institution simultaneous equations javascript turtles dates tmip go cambridge countdown matrix of minors people maths video games matt parker chess guest posts folding paper tennis stirling numbers matrices gaussian elimination rugby machine learning sport christmas card newcastle frobel bodmas a gamut of games geometry edinburgh youtube geogebra map projections london golden ratio final fantasy accuracy crossnumbers anscombe's quartet world cup quadrilaterals news matrix of cofactors arithmetic fractals errors bubble bobble noughts and crosses weather station error bars games wave scattering pi approximation day martin gardner game of life latex convergence kings logs craft electromagnetic field interpolation propositional calculus datasaurus dozen data visualisation christmas binary draughts runge's phenomenon reuleaux polygons polynomials nonograms the aperiodical probability

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026