Category Archives: Uncategorized

Quick and Easy Gaussian Random Numbers

Generating random numbers which fit a normal distribution is essential for stochastic optimization, especially for continuous evolutionary algorithms. For high-quality results the weapon of choice is the Box–Muller transform. It’s a little expensive; it involves exponents and trigonometry and such. … Continue reading

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Main Sequence – The Ownership Society

This album is excellent. It is strange and intelligent and off-beat and slick. It is not available for sale any more; the artist grants permission to distribute: e78cc2a231f3f2d6b1278f795b0346ae4b98c7e7

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My Stance On Piracy

I’ve done my civic duty the past few weeks pushing another 150 gigabytes or so of MST3K out to the world. Full burn bandwidth overnight, polite moderation during business hours. 74d7d2304d50e1660c1e7752d0936fc30b9999a3 This number may be the one and only place … Continue reading

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PWM LED driver design difficulties

For my custom alarm clock, I needed a light source with controllable intensity and color. It didn’t come together as easily as I expected.

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Ordering Tagged Items by Similarity

So I’ve got this web-based image gallery. The images in it are organized with simple tags (there’s a many-to-many relationship between images and tags). Every image has at least one tag, and almost all images have several tags. When a … Continue reading

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