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Category Archives: math
Best bingo board
My son is in the third grade and his math homework is to play games. The other night we played one that really got me thinking. Each player makes a 4×4 board and puts in any even number between 8 … Continue reading
Posted in fun, math, mathematica, parenting, Uncategorized
9 Comments
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 satisfiesÂ M.v=lambda vÂ , 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