
Benchmarking a GPU 5
Posted by Cleve Moler,

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Posted by Cleve Moler,
Posted by Cleve Moler,
Find the optimum traveling salesman tour through the capitals of the 48 contiguous states in the USA.... read more >>
Posted by Cleve Moler,
How far apart can you expect two points chosen at random in the unit square to be? I found this problem on the YouTube channel maintained by Presh Talwalkar, Mind Your Decisions. He correctly calls it a very hard puzzle. At first, I guessed the answer might be $1/2$. But the correct answer is more interesting than that.... read more >>
Posted by Cleve Moler,
"ULP" stands for "unit in the last place." An ulps plot samples a fundamental math function such as $\sin{x}$, or a more esoteric function like a Bessel function. The samples are compared with more accurate values obtained from a higher precision computation. A plot of the accuracy, measured in ulps, reveals valuable information about the underlying algorithms.... read more >>
Posted by Cleve Moler,
I don't recall where I found this seasonal fractal. And I can't explain how it works. So please submit a comment if you can shed any light on either of these questions.... read more >>
Posted by Cleve Moler,
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