[Octave-bug-tracker] [bug #49506] interp2(..., 'linear') gives incorrect result

[Muhali]

URL:
  <http://savannah.gnu.org/bugs/?49506>

                 Summary: interp2(...,'linear') gives incorrect result
                 Project: GNU Octave
            Submitted by: muhali
            Submitted on: Tue 01 Nov 2016 07:04:45 AM PDT
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

try


x = [2 3] ; y = [2 3 4] ;
f = [1 2; 3 4; 5 6] ;
xi = [2 3] ; yi = 3 ;
interp2(x, y, f, xi, yi, 'linear')


and you get

ans =

   3   4
   3   4

With any other method one gets the correct result [3 4].





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