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

[Fernando]

Follow-up Comment #1, bug #59856 (project octave):

I can reproduce the issue both with octave stable and octave default. This
fails:


>> A2=interpn([0,1],[0,1]',[0,0.5;0.5,1],[0,0.5,1],[0,0.5,1]')
error: interpn: incompatible size of argument number 5
error: called from
    interpn at line 178 column 8


but if I add one more value to the last vector, it works:


>> A2=interpn([0,1],[0,1]',[0,0.5;0.5,1],[0,0.5,1],[0,0.5,0.7,1]')
A2 =
        0   0.2500   0.3500   0.5000
   0.2500   0.5000   0.6000   0.7500
   0.5000   0.7500   0.8500   1.0000


If I try the first example without transposing vectors, it does not produce
any error, but the result is incorrect:


>> A2=interpn([0,1],[0,1],[0,0.5;0.5,1],[0,0.5,1],[0,0.5,1])
A2 =
        0   0.5000   1.0000


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