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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
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Happy 2+g-φ-5√2 Approximation Day!
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A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
Log-scaled axes
Feb 2020
PhD thesis, chapter ∞
PhD thesis, chapter 5
PhD thesis, chapter 4
PhD thesis, chapter 3
Inverting a matrix
PhD thesis, chapter 2
Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
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Visualising MENACE's learning
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Nov 2019
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A non-converging LaTeX document
TMiP 2019 treasure punt
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Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
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Christmas (2018) is over
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Christmas cross stitch
MENACE in fiction
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Christmas (2018) is coming!
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Runge's Phenomenon
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World Cup stickers 2018, pt. 3
Mathsteroids
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World Cup stickers 2018, pt. 2
May 2018
A bad Puzzle for Today
Apr 2018
Building MENACEs for other games
Mar 2018
A 20,000-to-1 baby?
World Cup stickers 2018
Jan 2018
Origins of World War I
Christmas (2017) is over
2017
▼ show ▼
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Dec 2017
Christmas card 2017
Nov 2017
Christmas (2017) is coming!
MENACE at Manchester Science Festival
Jun 2017
Big Ben Strikes Again
Mar 2017
The end of coins of constant width
Dragon curves II
Feb 2017
The importance of estimation error
Jan 2017
Is MEDUSA the new BODMAS?
2016
▼ show ▼
▲ hide ▲
Dec 2016
Christmas (2016) is over
Video game surfaces
Christmas card 2016
Nov 2016
Christmas (2016) is coming!
Oct 2016
Logical contradictions
Palindromic dates
Sep 2016
Tube map kaleidocycles
Jul 2016
Solving the cross diagonal cover problem
Jun 2016
Braiding, pt. 2
Braiding, pt. 1
Making names in Life
May 2016
Euro 2016 stickers
Mar 2016
Proving Pythagoras' theorem
Dragon curves
The
Mathematical Games
of Martin Gardner
Jan 2016
Christmas (2015) is over
2015
▼ show ▼
▲ hide ▲
Nov 2015
Christmas (2015) is coming!
Oct 2015
How to kick a conversion
How much will I win on the new National Lottery?
Aug 2015
How OEISbot works
MENACE
Mar 2015
Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
Design your own flexagon
Jan 2015
Tube map Platonic solids, pt. 3
2014
▼ show ▼
▲ hide ▲
Nov 2014
Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
May 2014
World Cup stickers
Apr 2014
Countdown probability, pt. 2
Countdown probability
Mar 2014
New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
▼ show ▼
▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
▼ show ▼
▲ hide ▲
Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
speed
phd
tetris
dates
draughts
matrices
mean
tennis
reddit
countdown
anscombe's quartet
alphabets
noughts and crosses
raspberry pi
golden spiral
binary
logic
inline code
mathsjam
preconditioning
errors
people maths
big internet math-off
logs
wordle
chalkdust magazine
databet
london underground
flexagons
simultaneous equations
stirling numbers
martin gardner
fence posts
matrix of minors
light
harriss spiral
hyperbolic surfaces
trigonometry
platonic solids
radio 4
polynomials
matrix multiplication
logo
electromagnetic field
zines
convergence
games
sport
wave scattering
python
geogebra
folding tube maps
regular expressions
dragon curves
edinburgh
crossnumber
signorini conditions
ternary
accuracy
pascal's triangle
turtles
exponential growth
finite element method
arrangement puzzles
captain scarlet
sorting
machine learning
royal baby
video games
craft
24 hour maths
palindromes
interpolation
numbers
manchester science festival
matrix of cofactors
finite group
frobel
world cup
latex
cambridge
squares
nonograms
bluesky
probability
rugby
rhombicuboctahedron
pac-man
javascript
computational complexity
error bars
game of life
bempp
nine men's morris
realhats
youtube
wool
matt parker
mathsteroids
stickers
christmas card
triangles
statistics
live stream
guest posts
fractals
gather town
cross stitch
weak imposition
chebyshev
go
a gamut of games
advent calendar
golden ratio
gaussian elimination
ucl
pythagoras
crosswords
football
plastic ratio
datasaurus dozen
london
game show probability
christmas
bodmas
pi
the aperiodical
bubble bobble
news
pi approximation day
books
folding paper
national lottery
gerry anderson
sound
bots
geometry
pokémon wordle
reuleaux polygons
runge's phenomenon
european cup
numerical analysis
asteroids
oeis
dinosaurs
graphs
kings
manchester
braiding
correlation
hats
coins
crossnumbers
newcastle
approximation
final fantasy
data visualisation
talking maths in public
curvature
royal institution
php
boundary element methods
determinants
quadrilaterals
crochet
graph theory
chess
estimation
pizza cutting
partridge puzzle
coventry
puzzles
tmip
rust
programming
propositional calculus
warwick
weather station
menace
sobolev spaces
fonts
mathslogicbot
data
hannah fry
arithmetic
misleading statistics
hexapawn
recursion
friendly squares
kenilworth
map projections
thirteen
standard deviation
dataset
inverse matrices
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on /blog/59