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Posted to dev@mahout.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2016/05/01 08:26:12 UTC
[jira] [Commented] (MAHOUT-1841) Matrices.symmetricUniformView(...)
returning values in the wrong range.
[ https://issues.apache.org/jira/browse/MAHOUT-1841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15265634#comment-15265634 ]
Hudson commented on MAHOUT-1841:
--------------------------------
FAILURE: Integrated in Mahout-Quality #3348 (See [https://builds.apache.org/job/Mahout-Quality/3348/])
MAHOUT-1841: Matrices.symmetricUniformView(...) returning values in the (smarthi: rev 1127661fd96cac6d7584ba50b717bc67bda4aa43)
* math/src/main/java/org/apache/mahout/math/Matrices.java
> Matrices.symmetricUniformView(...) returning values in the wrong range.
> -----------------------------------------------------------------------
>
> Key: MAHOUT-1841
> URL: https://issues.apache.org/jira/browse/MAHOUT-1841
> Project: Mahout
> Issue Type: Bug
> Components: Math
> Affects Versions: 0.12.0
> Reporter: Andrew Palumbo
> Assignee: Suneel Marthi
> Fix For: 0.12.1
>
>
> Per javadocs, {{Matrices.symmetricUniformView(...)}} is meant to return values in on the range of [-1,1):
> {code}
> /**
> * Matrix view based on uniform [-1,1) distribution.
> *
> * @param seed generator seed
> */
> public static final Matrix symmetricUniformView(final int rows,
> final int columns,
> int seed) {
> return functionalMatrixView(rows, columns, uniformSymmetricGenerator(seed), true);
> }
> {code}
> Ranges being returned now are on (-.5,.5).
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