bugGNU Octave - Bugs: bug #62132, interp2 may produce incorrectly...

 
 

bug #62132: interp2 may produce incorrectly oriented result with "spline" option

Submitter:  John W. Eaton <jwe>
Submitted:  Wed 02 Mar 2022 08:43:48 PM UTC
 
Category:  Octave Function Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Incorrect Result
Status:  None Assigned to:  None
Originator Name:  jwe Open/Closed:  * Open
Release:  * dev Operating System:  * Any
* Mandatory Fields

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Wed 02 Mar 2022 08:43:48 PM UTC, original submission:  

I'm creating this bug report in part to be able to assign a bug report for a test in interp2.m

I see the following:

octave:1> z = [1 3 5; 3 5 7; 5 7 9];
octave:2> interp2 (z, [3;3;3], [2;3;1])
ans =

   7
   9
   5

octave:3> interp2 (z, [3;3;3], [2;3;1], "spline")
ans =

   7   9   5

Shouldn't the orientation of these be the same (presumably a column vector) regardless of the interpolation method?

See also bug #61754.

John W. Eaton <jwe>
Project Administrator

 

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