You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@mahout.apache.org by bu...@apache.org on 2014/03/25 19:43:56 UTC
svn commit: r903572 - in /websites/staging/mahout/trunk/content: ./
users/sparkbindings/home.html
Author: buildbot
Date: Tue Mar 25 18:43:56 2014
New Revision: 903572
Log:
Staging update by buildbot for mahout
Modified:
websites/staging/mahout/trunk/content/ (props changed)
websites/staging/mahout/trunk/content/users/sparkbindings/home.html
Propchange: websites/staging/mahout/trunk/content/
------------------------------------------------------------------------------
--- cms:source-revision (original)
+++ cms:source-revision Tue Mar 25 18:43:56 2014
@@ -1 +1 @@
-1581458
+1581460
Modified: websites/staging/mahout/trunk/content/users/sparkbindings/home.html
==============================================================================
--- websites/staging/mahout/trunk/content/users/sparkbindings/home.html (original)
+++ websites/staging/mahout/trunk/content/users/sparkbindings/home.html Tue Mar 25 18:43:56 2014
@@ -225,8 +225,9 @@
<h1 id="scala-spark-bindings">Scala & Spark Bindings:</h1>
<p><em>Bringing algebraic semantics</em></p>
<h2 id="what-is-scala-spark-bindings">What is Scala & Spark Bindings?</h2>
-<p>In short, Scala & Spark Bindings for Mahout is Scala DSL and algebraic optimizer of something like this (actual formula from <strong>(d)spca</strong>):</p>
+<p>In short, Scala & Spark Bindings for Mahout is Scala DSL and algebraic optimizer of something like this (actual formula from <strong>(d)spca</strong>)</p>
<p><code>\[\mathbf{G}=\mathbf{B}\mathbf{B}^{\top}-\mathbf{C}-\mathbf{C}^{\top}+\mathbf{s}_{q}\mathbf{s}_{q}^{\top}\boldsymbol{\xi}^{\top}\boldsymbol{\xi}\]</code></p>
+<p>bound to in-core and distributed computations (currently, on Apache Spark).</p>
<p>Mahout Scala & Spark Bindings expression of the above:</p>
<div class="codehilite"><pre> <span class="n">val</span> <span class="n">g</span> <span class="p">=</span> <span class="n">bt</span><span class="p">.</span><span class="n">t</span> <span class="c">%*% bt - c - c.t + (s_q cross s_q) * (xi dot xi)</span>
</pre></div>