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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