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.

2020-12-18

there's a typo in the puzzle for the 18th: you wrote y^2 and z^2 terms instead of ^3

(also I agree that the puzzle for 16th was a banger)

Eric
on /blog/86

×1

2020-12-18

@Eric: Thanks, fixed it

Matthew
on /blog/86

Archive

Show me a random blog post

2025

Jan 2025

Christmas (2024) is over
Friendly squares

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025