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Subject: Re: O(1) garbage

Author: Jesper Antonsson

Date: 14:09:56 05/16/01

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On May 15, 2001 at 21:00:24, Jeremiah Penery wrote:

>On May 15, 2001 at 18:04:28, Jesper Antonsson wrote:
>
>>Nonsense. This is a theory discussion and I don't give a rats ass about
>>"real-world" problems. In chess, when you go above a certain depth, the time
>>taken for the algorithm to complete doesn't increase. In the travelling salesman
>>problem, for example, another city always increase the time taken for the
>>algorithm to complete. That's why chess is O(1) and the TSP is not.
>
>O(f(n)) is used for algorithms, not specific problems.  Chess is a specific
>problem, but the algorithms we use to search the chess-tree can be applied to
>other problems, maybe ones where every ply added (to infinity) will increase the
>running time of the algorithm.  These algorithms are demonstrably O(exp(n)).
>The statement "Chess is O(1)" has absolutely zero meaning.

Nonsense. There are chess algorithms, and the rules of chess are a part of those
algorithms.



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