
Recent Posts
Archives
 May 2015
 April 2015
 March 2015
 February 2015
 January 2015
 December 2014
 November 2014
 October 2014
 September 2014
 August 2014
 July 2014
 June 2014
 May 2014
 April 2014
 March 2014
 February 2014
 January 2014
 December 2013
 November 2013
 October 2013
 September 2013
 August 2013
 July 2013
 June 2013
 April 2013
 March 2013
 February 2013
 January 2013
 December 2012
 November 2012
 October 2012
 September 2012
 August 2012
 July 2012
 June 2012
 May 2012
 April 2012
 March 2012
 February 2012
 January 2012
 December 2011
 November 2011
 October 2011
 September 2011
 August 2011
 July 2011
 June 2011
 May 2011
 April 2011
 March 2011
 February 2011
 January 2011
 December 2010
 November 2010
 August 2010
 January 2010
 December 2009
 November 2009
 June 2009
 May 2009
 March 2009
 February 2009
 January 2009
Categories
Meta
Category Archives: math
Evolution of the traveling salesperson
The traveling salesperson problem is a relatively famous math/geometry/computer science problem. The version I’ll be talking about in this post is where the salesperson has to visit several points on a map, minimizing the travel distance. Repeating a point on … Continue reading
Posted in fun, math, mathematica
11 Comments
Averages vs histograms
With graphics being so easy to add to documents these days, why don’t we show more histograms in place of the typical approach of representing very complicated data with one or two numbers (eg average and standard deviation)? Sure, if … Continue reading
Visualizing eigenvectors
When I was in undergrad, I dutifully did all my linear algebra homework, not really understanding why. I figured, “if they want me to find a vector or two for a given matrix that satisfies M.v=lambda v , fine, I’ll do it.” … Continue reading
Posted in math, mathematica, physics, teaching, Uncategorized
6 Comments
Fourier analysis for nonscientists
Yesterday I went on twitter to try to get some help on teaching Fourier analysis for my sound and music class: teaching fourier theory to nonsciSs. Goal: that it's possible (to find freqs). notagoal: teach slickest way to do the … Continue reading
Posted in math, mathematica, physics, teaching
5 Comments
Clock hands symmetry
A long time ago, Dan Meyer took to the twittersphere with a question: "When do the three clock hands form three 120degree angles?" Fun problem from Bowen Kerins. http://t.co/afEAGP8 — Dan Meyer (@ddmeyer) June 30, 2011 Note, it seems that … Continue reading
Posted in fun, math, mathematica
4 Comments
Snails on a triangle
This post got its spark when I read this These challenging physics problems found by @MrHonner are awesome. http://t.co/P4dskZXI — John Burk (@occam98) January 30, 2013 John had also mentioned the list in last week’s Global Physics Department meeting, and … Continue reading
Posted in math, mathematica, teaching
3 Comments
Gyroscopic precession
There have been some interesting things on the interwebs, lately, about rotation, gyroscopes, precession, and helicoptors (all of it brought to my attention, or literally done by, Derek Muller of Veritasium fame). It got me thinking about the modeling I’ve done … Continue reading
Posted in fun, math, mathematica, physics, teaching
9 Comments