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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-1166) BicubicInterpolation may have a bug
Date Sun, 23 Nov 2014 21:27:12 GMT

    [ https://issues.apache.org/jira/browse/MATH-1166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14222509#comment-14222509
] 

Gilles commented on MATH-1166:
------------------------------

bq. BicubiSplineInterpolatingFunction \[...\] would still be deprecated

Correct.

bq. two different implementation, this new one and the piecewise one?

Yes.
The new implementation is also "piecewise".  We should decide whether the names should be
changed to something more specific. 

Also, there must be a way to build N-dimensional interpolation schemes, but the current {{Tricubic...}}
is tied to a buggy implementation, so it's better to remove it, and perhaps think how a new
one can be modular and use the different alternative implementations at runtime...


> BicubicInterpolation may have a bug
> -----------------------------------
>
>                 Key: MATH-1166
>                 URL: https://issues.apache.org/jira/browse/MATH-1166
>             Project: Commons Math
>          Issue Type: Bug
>            Reporter: Ajo Fod
>         Attachments: Draw.java, MATH-1166.patch, myimage.jpg
>
>
> I plotted a random image with bicubic interpolation hoping to see something like this:
> http://en.wikipedia.org/wiki/Bicubic_interpolation
> ... but instead I got something weird.



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