Message218370
| Author |
tim.peters |
| Recipients |
Arfrever, alex, dstufft, ezio.melotti, mark.dickinson, neologix, pitrou, rhettinger, tim.peters, vstinner |
| Date |
2014年05月12日.21:57:40 |
| SpamBayes Score |
-1.0 |
| Marked as misclassified |
Yes |
| Message-id |
<1399931860.92.0.757744260915.issue21470@psf.upfronthosting.co.za> |
| In-reply-to |
| Content |
[haypo]
> What is an uninteresting sequence? What are the problem of these
> sequences?
A sequence that would greatly surprise a user. For example, if you generate 32-bit ints from the Twister in one obvious way, there are starting places where you'll get 623 zeroes in a row. And places where you'll get 2**32-1 623 times in a row. Pick a sequence of any 623 32-bit ints, and there's a starting place that will deliver that sequence. And, indeed, a truly random sequence must also display that behavior, but it's nevertheless very surprising when you see one. It's very rare, both in a truly random sequence and in sequences derived from the Twister. |
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