Author: akm
Date: Fri Feb 3 23:17:26 2017
New Revision: 1781618
URL: http://svn.apache.org/viewvc?rev=1781618&view=rev
Log:
Formatting
Modified:
mahout/site/mahout_cms/trunk/content/users/algorithms/d-spca.mdtext
Modified: mahout/site/mahout_cms/trunk/content/users/algorithms/d-spca.mdtext
URL:
http://svn.apache.org/viewvc/mahout/site/mahout_cms/trunk/content/users/algorithms/d-spca.mdtext?rev=1781618&r1=1781617&r2=1781618&view=diff
==============================================================================
--- mahout/site/mahout_cms/trunk/content/users/algorithms/d-spca.mdtext
(original)
+++ mahout/site/mahout_cms/trunk/content/users/algorithms/d-spca.mdtext Fri Feb
3 23:17:26 2017
@@ -11,7 +11,7 @@ Given an *m* `\(\times\)` *n* matrix `\(
1. Create seed for random *n* `\(\times\)` *(k+p)* matrix `\(\Omega\)`.
2. `\(s_\Omega \leftarrow \Omega^\top \mu\)`.
-3. `\(\mathbf{Y_0} \leftarrow A\Omega â 1(s_\Omega)^\top, Y \in
\mathbb{R}^(m\times(k+p))\)`.
+3. `\(\mathbf{Y_0} \leftarrow A\Omega â 1 {s_\Omega}^\top, Y \in
\mathbb{R}^(m\times(k+p))\)`.
4. Column-orthonormalize `\(\mathbf{Y_0} \rightarrow \mathbf{Q}\)` by
computing thin decomposition `\(\mathbf{Y_0} = \mathbf{QR}\)`. Also,
`\(\mathbf{Q}\in\mathbb{R}^(m\times(k+p)),
\mathbf{R}\in\mathbb{R}^((k+p)\times(k+p))\)`.
5. `\(s_Q \leftarrow Q^\top 1\)`.
6. `\(\mathbf{B_0} \leftarrow Q^\top A: B \in \mathbb{R}^((k+p)\times n)\)`.
