Subject: [xsl] Re: Re: Re: A proposal:xsl:result-document asynchronous attribute From: "Dimitre Novatchev" <dnovatchev@xxxxxxxxx> Date: Tue, 11 Mar 2003 21:33:52 +0100 |
"Kurt Cagle" <kurt@xxxxxxxxxxxxx> wrote in message news:003501c2e806$d24d8a20$892afc0a@xxxxxxxxxxxxxxxxx > Nice. I'd missed this one. Any idea how even a distribution this gives? > > -- Kurt Quite sufficient for almost all uses with the exception of encryption algorithms, perhaps. But see for yourself the results produced: http://fxsl.sourceforge.net/articles/Random/Casting%20the%20Dice%20with%20FX SL-htm.htm#2._Generating_a_random_sequence_following_a_distribution.Subseque nces. For example: 100 Random outcomes 1-6 with distribution: <myDistribution:myDistribution> <o>1</o><p>0.2</p> <o>2</o><p>0.25</p> <o>3</o><p>0.25</p> <o>4</o><p>0.15</p> <o>5</o><p>0.1</p> <o>6</o><p>0.05</p> </myDistribution:myDistribution> Results: 2, 5, 1, 4, 3, 1, 2, 5, 4, 2, 2, 2, 1, 3, 2, 5, 2, 3, 3, 1, 1, 5, 4, 2, 5, 2, 2, 1, 1, 2, 4, 3, 1, 3, 6, 1, 2, 4, 4, 6, 3, 1, 4, 6, 2, 5, 2, 1, 1, 4, 2, 4, 2, 4, 3, 1, 3, 3, 3, 1, 4, 1, 5, 4, 1, 2, 2, 1, 6, 4, 4, 4, 2, 6, 5, 3, 2, 4, 3, 2, 2, 2, 3, 2, 3, 5, 4, 5, 2, 1, 3, 1, 2, 1, 3, 4, 2, 3, 2, 1, As it can be seen, 6 appears for the first time only at position 35, and the total is 5 out of 100 -- exactly the specified distribution of 0.02. Needless to say, The original algorithm belongs to Simon Thompson and was shamelessly reused by me from his excellent book "Haskell: The Craft of Functional Programming". For an explanation why the node-set randomisation algorithm is not perfect, see: http://haskell.org/pipermail/haskell/2003-March/011403.html ===== Cheers, Dimitre Novatchev. http://fxsl.sourceforge.net/ -- the home of FXSL XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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