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Comments in green were written by me. Comments in blue were not written by me.
2016-07-14
@
stephan
: It looks like the code I wrote to check the solutions were unique contained errors. This might explain why first question was very difficult to solve with logic alone.
Matthew
on
/blog/24
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A bad Puzzle for Today
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Archive
Show me a random blog post
▼ show ▼
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2024
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
▼ show ▼
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Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
TMiP 2023 puzzle hunt
May 2023
Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
Christmas (2022) is over
2022
▼ show ▼
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Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
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24 Hour Maths Game Show
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Approximating π
Feb 2022
Build your own MENACE
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Christmas (2021) is over
2021
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Dec 2021
Christmas card 2021
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Christmas (2021) is coming!
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TMiP 2021 puzzle hunt
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Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy τ-4 Approximation Day!
May 2020
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
2019
▼ show ▼
▲ hide ▲
Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
Sep 2019
A non-converging LaTeX document
TMiP 2019 treasure punt
Jul 2019
Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
Jan 2019
Christmas (2018) is over
2018
▼ show ▼
▲ hide ▲
Dec 2018
Christmas cross stitch
MENACE in fiction
Christmas card 2018
Nov 2018
Christmas (2018) is coming!
Sep 2018
Runge's Phenomenon
Jul 2018
World Cup stickers 2018, pt. 3
Mathsteroids
Jun 2018
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 ▼
▲ hide ▲
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
error bars
tennis
game of life
geogebra
platonic solids
craft
pizza cutting
folding tube maps
talking maths in public
braiding
palindromes
zines
hannah fry
stirling numbers
manchester science festival
weather station
logic
probability
coins
ucl
reuleaux polygons
mathsteroids
inline code
gaussian elimination
big internet math-off
propositional calculus
sobolev spaces
weak imposition
rugby
mathslogicbot
manchester
computational complexity
python
christmas
finite group
national lottery
puzzles
football
triangles
approximation
final fantasy
fonts
golden ratio
crochet
edinburgh
christmas card
dates
game show probability
sound
electromagnetic field
24 hour maths
javascript
live stream
squares
cambridge
harriss spiral
european cup
draughts
royal baby
phd
preconditioning
crossnumber
games
speed
boundary element methods
pythagoras
world cup
finite element method
matt parker
numbers
advent calendar
royal institution
misleading statistics
programming
realhats
countdown
bubble bobble
bempp
data
video games
turtles
london
latex
books
dataset
menace
youtube
determinants
sport
the aperiodical
rhombicuboctahedron
sorting
a gamut of games
runge's phenomenon
mathsjam
wave scattering
bodmas
stickers
correlation
radio 4
mean
gather town
arithmetic
interpolation
london underground
hexapawn
tmip
people maths
datasaurus dozen
frobel
map projections
exponential growth
hats
chalkdust magazine
polynomials
numerical analysis
golden spiral
simultaneous equations
reddit
newcastle
convergence
estimation
errors
data visualisation
logs
matrix of cofactors
guest posts
standard deviation
statistics
hyperbolic surfaces
matrix of minors
light
matrix multiplication
fractals
go
ternary
pac-man
chebyshev
machine learning
quadrilaterals
flexagons
graph theory
dragon curves
signorini conditions
geometry
anscombe's quartet
php
captain scarlet
pascal's triangle
accuracy
chess
curvature
databet
cross stitch
plastic ratio
dinosaurs
gerry anderson
nine men's morris
inverse matrices
graphs
martin gardner
recursion
binary
matrices
asteroids
oeis
pi approximation day
folding paper
raspberry pi
logo
pi
noughts and crosses
fence posts
news
trigonometry
wool
© Matthew Scroggs 2012–2024
on /blog/24