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Posted to issues@commons.apache.org by "Gilles (JIRA)" <ji...@apache.org> on 2015/08/13 23:35:45 UTC

[jira] [Resolved] (MATH-1255) Bug in "o.a.c.m.ml.neuralnet.sofm.KohonenUpdateAction"

     [ https://issues.apache.org/jira/browse/MATH-1255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilles resolved MATH-1255.
--------------------------
    Resolution: Fixed

4f73871cf40b6dd05c8872d39246c67f798ed915 (4.0)
5c3988cb0414bb013464f8a12741fde37546cde3 (3.6)


> Bug in "o.a.c.m.ml.neuralnet.sofm.KohonenUpdateAction"
> ------------------------------------------------------
>
>                 Key: MATH-1255
>                 URL: https://issues.apache.org/jira/browse/MATH-1255
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.5
>            Reporter: Gilles
>            Assignee: Gilles
>             Fix For: 4.0, 3.6
>
>
> In method "update", the standard deviation of the "Gaussian" function is set to "1 / n" instead of "n" where n is the current neighbourhood size.



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