[Octave-bug-tracker] [bug #48178] atan2 documentation is wrong

[Marco Caliari]

URL:
  <http://savannah.gnu.org/bugs/?48178>

                 Summary: atan2 documentation is wrong
                 Project: GNU Octave
            Submitted by: caliari
            Submitted on: Wed 08 Jun 2016 03:10:46 PM GMT
                Category: Documentation
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: GNU/Linux

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Details:

This is somehow related to #37379. Anyway, the definition of atan2 can be
found in wikipedia, with the exception that Octave's atan2(0,0) = 0. Another
possibility is to say that atan2(y,x)=arg(x+1i*y). For sure, it is not
(always) atan (y / x) (try atan2(-1,-1), atan(1)).




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