mscroggs.co.uk
mscroggs.co.uk

subscribe

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.
In number 4 what are we to take the difference between? Do you mean the difference between the original number and its reverse? If so when you add the difference back to the reverse you simply get the original number, which is ambiguous. I am not sure what you are asking us to do here.
Dan Whitman
on /blog/37
               
@Dan Whitman: Find the difference between the original number and the reverse of the original. Call this difference \(a\). Next add \(a\) to the reverse of \(a\)...
Matthew
on /blog/37
               
@Matthew: Thank you for the prompt response! It makes sense now and perhaps I should have read a little closer!
Dan Whitman
on /blog/37
               

Archive

Show me a random blog post
 2020 

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 ▼
 2018 
▼ show ▼
 2017 
▼ show ▼
 2016 
▼ show ▼
 2015 
▼ show ▼
 2014 
▼ show ▼
 2013 
▼ show ▼
 2012 
▼ show ▼

Tags

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

Archive

Show me a random blog post
▼ show ▼
© Matthew Scroggs 2012–2020