Subject: Re: [xsl] How to multiply 2 sequences ? From: "Andrew Welch" <andrew.j.welch@xxxxxxxxx> Date: Wed, 7 Nov 2007 14:57:40 +0000 
On 07/11/2007, Michael Kay <mike@xxxxxxxxxxxx> wrote: > > > > It seems that you are trying to obtain the scalar product of > > two vectors: > > > > X = {x1, x2, ... , xn} > > > > Y = {y1, y2, ... , yn} > > > > X.Y = x1.y1 + x2.y2 + ... + xn.yn > > > > If that is indeed the requirement (and I wasn't able to work it out from the > posting) then it can be done in XPath 2.0 (without any help from FXSL) as > > sum(for $i in 1 to count($x) return $x[$i] * $y[$i]) My guess was for the sum of the cross product: sum(for $a in $x, $b in $y return $a * $b) ...i guess we'll find out at some point  Andrew Welch http://andrewjwelch.com Kernow: http://kernowforsaxon.sf.net/
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RE: [xsl] How to multiply 2 sequenc, Michael Kay  Thread  Re: [xsl] How to multiply 2 sequenc, Dimitre Novatchev 
RE: [xsl] How to multiply 2 sequenc, Michael Kay  Date  Re: [xsl] How to multiply 2 sequenc, Dimitre Novatchev 
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