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Category Archives: mathematica
String resonance
My friend Will posted a cool animation today: GIF of the forced fixed string envelope showing nodes/antinodes for different k values. Driver on left. http://t.co/nCZh93arYa — Will Slaton (@wslaton) October 4, 2014 It got me thinking about the lab we … Continue reading
Posted in mathematica, physics, twitter
6 Comments
Finding normal modes
Normal mode analysis is a typical topic in junior/senior mechanics courses. Ours suffers from a lack of linear algebra as a prerequisite so I’ve worked to find ways to engage students with this material without that background. My typical approach … Continue reading
Posted in mathematica, physics, teaching
8 Comments
Finding grains
My colleague asked me to help him out with this image: He needs to know the grain size distribution, and they’ve been having trouble automating this. He knew I’d been doing some work with Mathematica’s image analysis capabilities so he … Continue reading
Posted in mathematica, physics
4 Comments
Object tracking in Mathematica
I’ve been playing with ImageFeatureTrack in Mathematica over the last few days. My interest is in helping me and my students track the beads on a swinging beaded chain (something we worked on quite a bit last summer). I just … Continue reading
Posted in mathematica, physics
5 Comments
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
5 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