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From "Phil Steitz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-485) Feature Request: Kalman Filter
Date Wed, 22 Jun 2011 15:34:49 GMT

    [ https://issues.apache.org/jira/browse/MATH-485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13053311#comment-13053311
] 

Phil Steitz commented on MATH-485:
----------------------------------

Thomas - thanks for the patch!

One clarifying comment on the formatting trauma.  The Developers Guide says only that committed
code *should* generate no checkstyle errors.  We don't require or endorse any specific IDE.
 For all we care, you can use vi.  Just run mvn site and look at the checkstyle report or
run the checks from the command line.  We can talk about relaxing checks on the dev list if
we think they are too onerous or picky.  Committers can also commit work in progress code
that generates errors and fix them as the code is collaboratively refined.  We like to keep
the code as clean as possible since we end up having to clean it all up when we prepare releases
and that is a thankless, boring task.

> Feature Request: Kalman Filter
> ------------------------------
>
>                 Key: MATH-485
>                 URL: https://issues.apache.org/jira/browse/MATH-485
>             Project: Commons Math
>          Issue Type: Wish
>            Reporter: Benjamin McCann
>             Fix For: 3.0
>
>         Attachments: MATH-485-cleanup2.patch, MATH-485-update1.patch, MATH-485.patch
>
>
> I'd love it if Commons Math could add support for the Kalman filter.  Here are a few
implementations that might be able to be used for reference or included if they're using compatible
licenses:
> http://code.google.com/p/efficient-java-matrix-library/wiki/KalmanFilterExamples
> http://mathstat.asu.edu/~eubank/
> http://www.fit.vutbr.cz/research/prod/index.php.en?id=53&notitle=1
> http://sourceforge.net/projects/jkalman/
> http://www.vni.com/products/imsl/jmsl/v30/api/com/imsl/stat/KalmanFilterEx1.html

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