Subject: RE: [xsl] Re: How to multiply 2 sequences ? From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Thu, 8 Nov 2007 13:38:44 -0000 |
I think that's as Dimitre described it, so it's essentially sum(for $i in 1 to count(x) return x[$i]*y[$i]) Michael Kay http://www.saxonica.com/ > -----Original Message----- > From: TEICHERT, Peter [mailto:Peter.TEICHERT@xxxxxxxxxx] > Sent: 08 November 2007 12:45 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] Re: How to multiply 2 sequences ? > > Hello, > > referring to Michael Kays math formula representation I > provide more details what I am searching for. > > food item 1: X1 = { x1_1,x1_2,...,x1_n }, where x1_n are food > ingredients in mg/ 100 g ; X are extracted as nodes from xml > db food item 2: X2 = { x2_2,x2_2,...,x2_n }, where x2_n are > food ingredients in mg/ 100 g ... > > every food ingredient of one single food item should be > multiplied with his own weight factor Y > > food item X1 - weight factor Y1 > food item X2 - weight factor Y2 > > Therefore the math formula may be described as followes : > > Y1 * X1 = Y1 * x1_1, Y1 * x1_2,..., Y1 * x1_n } > Y2 * X2 = Y2 * x2_1, Y2 * x2_2,..., Y2 * x2_n } > > After multiplication with the weight factor the summation > over the single food ingredients should be done as followes : > > Y1 * x1_1 + Y2 * x2_1 + ...+Yn * xn_n > > Thanks for quick answer. > > best regards > > Peter Teichert > > > This e-mail is intended only for the above addressee. It may > contain privileged information. > If you are not the addressee you must not copy, distribute, > disclose or use any of the information in it. > If you have received it in error please delete it and > immediately notify the sender. > Security Notice: all e-mail, sent to or from this address, > may be accessed by someone other than the recipient, for > system management and security reasons. This access is > controlled under Regulation of security reasons. > This access is controlled under Regulation of Investigatory > Powers Act 2000, Lawful Business Practises.
Current Thread |
---|
|
<- Previous | Index | Next -> |
---|---|---|
[xsl] Re: How to multiply 2 sequenc, TEICHERT, Peter | Thread | [xsl] Re2 : How to multiply 2 seque, TEICHERT, Peter |
[xsl] Re: How to multiply 2 sequenc, TEICHERT, Peter | Date | [xsl] Re2 : How to multiply 2 seque, TEICHERT, Peter |
Month |