[Octave-bug-tracker] [bug #59856] interpn with vectors: unexpected error regarding incompatible size

[Markus Mützel]

Update of bug #59856 (project octave):

              Item Group: Unexpected Error or Warning => Matlab Compatibility 
 
                  Status:                    None => Confirmed              
        Operating System:       Microsoft Windows => Any                    

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Follow-up Comment #2:

>From the documentation of that function in Matlab:
https://www.mathworks.com/help/matlab/ref/interpn.html
> If Xq1,Xq2,...,Xqn are vectors of different orientations, then
Xq1,Xq2,...,Xqn are treated as grid vectors in Rn.
> If Xq1,Xq2,...,Xqn are vectors of the same size and orientation, then
Xq1,Xq2,...,Xqn are treated as scattered points in Rn.

Octave's documentation isn't very specific when it comes to different vector
*orientation*. But it looks like there is an issue if the numbers of elements
in the Y vectors coincide (and they have *differing* orientation).

The last result in comment #1 looks correct to me. The output is an array with
the values at the 3 (scattered) points for which coordinates are provided.

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