The Ben Paul Thurston Blog
Math, Movies, Science, Computers, and so on...
Thursday, June 25, 2015
Comparison of 16 note scale to 12 note scale
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I noticed Western Music's 12 note scale in black is pretty close to a 16 note scale shifted off of a power of 2 about 5 hz left or right...
Thursday, June 18, 2015
archimedean spiral bluish noise
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I noticed that if you make an archimedean spiral in polar coordinates starting at the origin that goes to [1,0] at theta = 2*pi, you can sol...
Sunday, June 14, 2015
"Thresher": Sorting networks for 2^n inputs
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As an example here is the "Thresher" sorting network for n=4 or 16 inputs, it has 99 comparators and 15 depth... The pattern m...
Monday, June 8, 2015
Symetrical sorting network
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This is a sorting network of 67 comparators and 10 depth, but with the obvious symmetry it suggests that there might be designs that can be ...
Friday, June 5, 2015
Code for finding close to optimal sorting networks
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The code listed below finds sorting networks as described here: http://en.wikipedia.org/wiki/Sorting_network The sorting network it found...
Wednesday, June 3, 2015
Prime sort
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My idea was considering you have a list L of N items, and a list of primes P1...Q including 1, listed in reverse order like so: Here Q is ...
Tuesday, June 2, 2015
+- 40% curve
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I found a curve that smoothly piece-wise interpolates a set of a waves values along the integers and proved something interesting about it....
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