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Monthly Archives: February 2010
Polar Coordinate transformations in 3D
In 2d, converting a theta and radius (in circular polar coordinates) into a cartesian X and Y, are performed via the following functions: x=cos(theta)*r; y=sin(theta)*r; In 3d, a phi angle is added to the spherical polar coordinates and converting theta, … Continue reading
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Podcasts are cool
It’s the second week of the winter pledge drive on NPR, so I’ve been listening to podcasts instead of the radio during the commute. There are full college-level courses for free up on “iTunes U”. I’ve been listening to the … Continue reading
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