Re: Computational complexity, number theory tidbits

From: David Kastrup (dak_at_gnu.org)
Date: 08/02/04


Date: 02 Aug 2004 02:37:34 +0200

jstevh@msn.com (James Harris) writes:

> So finally some people came forward with some comments about
> derivation of floor((N-4)/6) which as has been noted works for even
> N>2, while there also exists (and I admit I didn't know it)
> floor((N-3)/6) which works for N>2, as both give the count of odd
> composites that have 3 as a factor.
>
> From here on in this post I'll use
>
> [x] = floor(x)
>
> as it's easier than repeatedly typing in "floor".

The usual convention would be ⌊x⌋ though this requires a
Unicode-enabled Newsreader.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum


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