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Monthly Archives: August 2011
http://video.ted.com/assets/player/swf/EmbedPlayer.swf Seriously … why don’t math classes use computers? Excel, simple Python scripts, Mathematica / Sage, everything beyond the TI83. Kids could be creating totally sweet visuals instead of cribbing formulae. And thinking instead of copying. I can say from my experience teaching … Continue reading
Video
August 31, 2011
Tagged computers, education, Excel, Mathematica, mathematics, MATLAB, programming, python, R, Sage
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A beautiful depiction of a 1form by Robert Ghrist. You never thought understanding a 1→1dimensional ODE (or a 1D vector field) would be so easy! What his drawing makes obvious, is that images of Phase Space wear a totally different meaning … Continue reading
One of the longstanding questions of many scientists in love is: How do you quantify love? Many would scream loudly that many aspects of the human experience should never be disgraced by assigning a number to it, for it would … Continue reading
Logic, like mathematics, is regarded by many designers with suspicion. Much of it is based on various superstitions about the kind of force logic has in telling us what to do. First of all, the word “logic” has some currency … Continue reading
Little Room by The White Stripes
My interpretation of [Leland Wilkinson’s] grammar [of statistical graphics]: —Data is the most important thing, and the thing that you bring to the table. —Geometric objects … what you actually see on the plot: points, lines, polygons, etc. —Statistics transform … Continue reading
pointillism_flower_02__4 by holger lippmann (Source: http://www.flickr.com/photos/lumicon/2276487569/sizes/o/in/set72157604000227999/)
Complex systems are ones with a large effective number of stronglyinterdependent variables. This excludes both lowdimensional systems, and highdimensional ones where the variables are either independent, or so strongly coupled that only a few variables effectively determine all the rest. … Continue reading
Quote
August 23, 2011
Tagged 4D, complex systems, complexity, Cosma Rohilla Shalizi, econometrics, explanatory variable, general systems theory, heroes, interaction terms, interdependent, math, mathematics, maths, nlin, nonlinear dynamics, OLS regression, phenomenon, statistics, systems theory
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Posted in Uncategorized
Tagged independent component analysis, math, mathematics, maths, neuroscience
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