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.

2018-12-09

Loved these puzzles! I have no idea how to approach #9, though. Will the solutions be posted at any point? Or, can anyone provide a hint to how to approach it?

Seth
on /blog/59

2018-12-10

@Seth: try solving it for 3a+4b, 3a+5b, 4a+5b, etc and look for patterns

Matthew
on /blog/59

Archive

Show me a random blog post

2024

Feb 2024

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2024