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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MATH-1014) Remove optimizer from constructor of "CurveFitter" subclasses
Date Tue, 13 Aug 2013 17:31:49 GMT

     [ https://issues.apache.org/jira/browse/MATH-1014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gilles updated MATH-1014:
-------------------------

    Attachment: MATH-1014.zip

Uploaded new version that also includes the changes proposed in that [message|http://markmail.org/message/533ll4kcvgz6exhg].
This goes a long way towards the fitter classes being immutable. :)
                
> Remove optimizer from constructor of "CurveFitter" subclasses
> -------------------------------------------------------------
>
>                 Key: MATH-1014
>                 URL: https://issues.apache.org/jira/browse/MATH-1014
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.2
>            Reporter: Gilles
>            Assignee: Gilles
>            Priority: Minor
>              Labels: api-change
>             Fix For: 4.0, 3.3
>
>         Attachments: MATH-1014.zip, MATH-1014.zip
>
>
> In package "o.a.c.m.fitting", the constructor of the concrete subclasses of "CurveFitter"
(currently: "PolynomialFitter", "GaussianFitter", "HarmonicFitter") takes a "MultivariateVectorOptimizer"
argument.
> However, assuming that there is _one_ best choice for the optimizer (given the parametric
function), this argument should not be left to the user's choice (i.e. it should be hidden
within the class, and the best optimizer be transparently selected).
> Thus, I would propose to deprecate the non-default constructor.

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