Return-Path: X-Original-To: apmail-systemml-dev-archive@minotaur.apache.org Delivered-To: apmail-systemml-dev-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 394B7189C1 for ; Thu, 17 Dec 2015 01:59:05 +0000 (UTC) Received: (qmail 45624 invoked by uid 500); 17 Dec 2015 01:59:05 -0000 Delivered-To: apmail-systemml-dev-archive@systemml.apache.org Received: (qmail 45579 invoked by uid 500); 17 Dec 2015 01:59:05 -0000 Mailing-List: contact dev-help@systemml.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@systemml.incubator.apache.org Delivered-To: mailing list dev@systemml.incubator.apache.org Received: (qmail 45566 invoked by uid 99); 17 Dec 2015 01:59:04 -0000 Received: from Unknown (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 17 Dec 2015 01:59:04 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 6100D1804FD for ; Thu, 17 Dec 2015 01:59:04 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.899 X-Spam-Level: ** X-Spam-Status: No, score=2.899 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_IMAGE_ONLY_32=0.001, HTML_MESSAGE=3, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-eu-west.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id Qa6wrV7_7nXh for ; Thu, 17 Dec 2015 01:59:03 +0000 (UTC) Received: from mail-vk0-f43.google.com (mail-vk0-f43.google.com [209.85.213.43]) by mx1-eu-west.apache.org (ASF Mail Server at mx1-eu-west.apache.org) with ESMTPS id 8A594203BD for ; Thu, 17 Dec 2015 01:59:02 +0000 (UTC) Received: by mail-vk0-f43.google.com with SMTP id a189so38075770vkh.2 for ; Wed, 16 Dec 2015 17:59:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=cuIw1oaR2cSvJr8j7Ftle2c+nWbc/qGSBjVxAl/IaB8=; b=tPpSIgX1a3m2TsElkhpVHCkE9rQdgXsx/qO89UYMD+XjViXCrUpEftmcN7pRTEi7xM CS8P+g3W2e5WQIZVktie7lTxk7Ujenl2FMqNYE8QtWS3V0d+mRu7d2NBNWuUVlfj06TP T5DndC7Gm5NtP/iI68+IVvzy1raocnY6YNU27AFbLVbxN/wjvh1hD2Lbu10fxkGK8tgX CSdp26J/FVsjUu7RiyhY2vBFt6MdhSTS0R+VGx81mcSld5lSKq4BVPsXbuvR/9MdBzll uxh3xtnEvbSMNfqovbJJweYNnBO+lTP2xPwTPrjjMw0u7yfD4VluXjdWFwbmZQ39UqkU 3dNw== MIME-Version: 1.0 X-Received: by 10.31.52.68 with SMTP id b65mr36740327vka.150.1450317541185; Wed, 16 Dec 2015 17:59:01 -0800 (PST) Received: by 10.31.151.210 with HTTP; Wed, 16 Dec 2015 17:59:01 -0800 (PST) In-Reply-To: References: Date: Wed, 16 Dec 2015 17:59:01 -0800 Message-ID: Subject: Re: DML example on main SystemML website From: Deron Eriksson To: dev@systemml.incubator.apache.org Content-Type: multipart/alternative; boundary=001a1143ff34da9fd805270e5d45 --001a1143ff34da9fd805270e5d45 Content-Type: text/plain; charset=UTF-8 That example is perfect. Concise and powerful. Thank you Fred. Deron On Wed, Dec 16, 2015 at 4:16 PM, Frederick R Reiss wrote: > We can use the Poisson nonnegative matrix factorization example from last > week's webcast: > > i = 0 > while(i < max_iterations) { > H = (H * (t(W) %*% (V/(W%*%H + epsilon)))) / t(colSums(W)) > W = (W * ((V/(W%*%H) + epsilon) %*% t(H))) / t(rowSums(H)) > i = i + 1; > } > > > Sound ok to everyone? > > Fred > > > [image: Inactive hide details for Deron Eriksson ---12/16/2015 04:02:26 > PM---Hi, I think the main SystemML website at http://systemml.i]Deron > Eriksson ---12/16/2015 04:02:26 PM---Hi, I think the main SystemML website > at http://systemml.incubator.apache.org/ > > From: Deron Eriksson > To: dev@systemml.incubator.apache.org > Date: 12/16/2015 04:02 PM > Subject: DML example on main SystemML website > ------------------------------ > > > > Hi, > > I think the main SystemML website at http://systemml.incubator.apache.org/ > needs to be updated so that the DML example is an actual algorithm or at > least a fragment of an algorithm. > > Does anyone have a recommendation for a short, concise example that shows > the power of DML? > > Thanks! > Deron > > > --001a1143ff34da9fd805270e5d45--