[Octave-bug-tracker] [bug #54421] Quantile function difference with Matlab

[Arnaud Delorme]

URL:
  <http://savannah.gnu.org/bugs/?54421>

                 Summary: Quantile function difference with Matlab
                 Project: GNU Octave
            Submitted by: arnodelorme
            Submitted on: Wed 01 Aug 2018 05:46:45 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.4.0
        Operating System: Mac OS

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Details:

data = [1; 2; 5; 10];
pc = [0 0.125 0.25 0.5 0.75 0.875 1];
q = quantile(data,pc)

q =

    1.0000    1.0000    1.5000    3.5000    7.5000   10.0000   10.0000

Under Matlab 2018a and 

q =

   1.0e+01*

   0.10000
   0.10000
   0.15000
   0.35000
   0.75000
   1.00000
   1.00000

under Octave 4.4.0 (the output is transposed). This cause my unit test to
fail.




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