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Re: matching lists [message #19422 is a reply to message #19290]

Mon, 13 March 2000 00:00

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

"J.D. Smith" <jdsmith@astro.cornell.edu> writes:
> ...
>
> The point of which is that cmset_op, while a very complete and
> feature-packed collection of the various *value-based* set
> algorithms proposed over the years, does not solve the *index-based*
> set intersection operation originally requested. This is a harder
> problem, also solveable for non-sparse sets with histogram and
> reverse indices, or with the full n-squared array comparison.
>
> ...

A truly excellent analysis. Thanks.

Craig

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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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[Message index]

		Re: matching lists By: John-David T. Smith on Mon, 13 March 2000 00:00
		Re: matching lists By: Mark Fardal on Mon, 13 March 2000 00:00
		Re: matching lists By: John-David T. Smith on Sun, 12 March 2000 00:00
		Re: matching lists By: Craig Markwardt on Fri, 10 March 2000 00:00
		Re: matching lists By: Andy Loughe on Fri, 10 March 2000 00:00
		Re: matching lists By: John-David T. Smith on Fri, 10 March 2000 00:00
		Re: matching lists By: Craig Markwardt on Mon, 13 March 2000 00:00

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