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[Octave-bug-tracker] [bug #35178] griddata: cubic interpolation not yet

From: Nicholas Jankowski
Subject: [Octave-bug-tracker] [bug #35178] griddata: cubic interpolation not yet implemented
Date: Tue, 17 Mar 2020 22:00:06 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36

Follow-up Comment #5, bug #35178 (project octave):

I've implemented the 'v4' method in response to bug #33539.  I could look at
'cubic' and 'natural' as well if someone can suggest a particular cubic model.
 a quick search shows there are a couple of options depending on what matlab
chose.  from the help it only says: 

'cubic' Triangulation-based cubic interpolation supporting 2-D interpolation
only. Continuity: C2

'natural' Triangulation-based natural neighbor interpolation supporting 2-D
and 3-D interpolation. This method is an efficient tradeoff between linear and
cubic. Continuity: C1 except at sample points


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