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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MATH-1255) Bug in "o.a.c.m.ml.neuralnet.sofm.KohonenUpdateAction"
Date Thu, 13 Aug 2015 21:15:45 GMT
Gilles created MATH-1255:
----------------------------

             Summary: 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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