From user-return-9691-apmail-mahout-user-archive=mahout.apache.org@mahout.apache.org Thu Sep 1 05:56:11 2011 Return-Path: X-Original-To: apmail-mahout-user-archive@www.apache.org Delivered-To: apmail-mahout-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id BA9368A29 for ; Thu, 1 Sep 2011 05:56:11 +0000 (UTC) Received: (qmail 13774 invoked by uid 500); 1 Sep 2011 05:56:10 -0000 Delivered-To: apmail-mahout-user-archive@mahout.apache.org Received: (qmail 13192 invoked by uid 500); 1 Sep 2011 05:55:51 -0000 Mailing-List: contact user-help@mahout.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@mahout.apache.org Delivered-To: mailing list user@mahout.apache.org Received: (qmail 13163 invoked by uid 99); 1 Sep 2011 05:55:38 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 01 Sep 2011 05:55:38 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of goksron@gmail.com designates 209.85.216.43 as permitted sender) Received: from [209.85.216.43] (HELO mail-qw0-f43.google.com) (209.85.216.43) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 01 Sep 2011 05:55:32 +0000 Received: by qwm42 with SMTP id 42so906935qwm.16 for ; Wed, 31 Aug 2011 22:55:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=kvH2IFuuUFl0sAwnB/IF3lI1rJkNLZ5Z5XtQ1BLqJM8=; b=ojGi7bdAdkA9gAXONiMBFnMkkLf/ebi7IlkevnsKdr9KbmIQ3QcPmLGtqG168yGWb/ IsalzZFHJXuMWzHx2mwbC11xKSKPiqhq5D58V56JqUJoJ43Q4V1W7c9dewnvoC7cMkwv be0/MIOAh9BP8J0XOdWtSlo/iZhMnGDEprOUg= MIME-Version: 1.0 Received: by 10.229.68.232 with SMTP id w40mr1013767qci.137.1314856510469; Wed, 31 Aug 2011 22:55:10 -0700 (PDT) Received: by 10.229.239.68 with HTTP; Wed, 31 Aug 2011 22:55:10 -0700 (PDT) In-Reply-To: References: <80F2D908-D2F2-4C04-BD62-1B18C6A130C5@transpac.com> Date: Wed, 31 Aug 2011 22:55:10 -0700 Message-ID: Subject: Re: Singular vectors of a recommendation Item-Item space From: Lance Norskog To: user@mahout.apache.org Content-Type: multipart/alternative; boundary=0016e64082a23cb55004abdae3d5 --0016e64082a23cb55004abdae3d5 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Yup! The last two lines break the backlash-right clause. Cool tool! Thanks. On Wed, Aug 31, 2011 at 8:57 PM, Ted Dunning wrote: > Hmm... I see this: > > > http://latex.codecogs.com/gif.latex?F(x,y)=3D0%20~~\mbox{and}~~%20\left|%= 20\begin{array}{ccc}%20F''_{xx}%20&%20F''_{xy}%20&%20F'_x%20\\%20F''_{yx}%2= 0&%20F''_{yy}%20&%20F'_y%20\\%20F'_x%20&%20F'_y%20&%200%20\end{array}\right= |%20=3D%200 > > Must be a cut and paste kind of thing. > > On Wed, Aug 31, 2011 at 10:50 PM, Ken Krugler > wrote: > > > > F(x,y)=3D0 ~~\mbox{and}~~ > > > \left| \begin{array}{ccc} > > > F''_{xx} & F''_{xy} & F'_x \\ > > > F''_{yx} & F''_{yy} & F'_y \\ > > > F'_x & F'_y & 0 > > > \end{array}\ > > > right| =3D 0 > > > > The codecogs.com site says that it's an invalid equation. > --=20 Lance Norskog goksron@gmail.com --0016e64082a23cb55004abdae3d5--