[Octave-bug-tracker] [bug #58530] missing functions: xline() and yline()

[Hartmut]

URL:
  <https://savannah.gnu.org/bugs/?58530>

                 Summary: missing functions: xline() and yline()
                 Project: GNU Octave
            Submitted by: hardy
            Submitted on: Mon 08 Jun 2020 05:56:40 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Feature Request
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: 5.2.0
         Discussion Lock: Any
        Operating System: Any

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Details:

There are two new functions in Matlab: xline and yline.
Mathworks introduced them in R2018b.
These functions just draw one straight line into a plot, like this:


plot(1:10)
yline(5.7);


Currently (Octave 5.2.0) does not throw an "unknown function" comment, when
using those commands.

I would suggest to
* at least include those functions into the "missing functions" list of
Octave
* maybe generate two new Octave functions, that mimic this simple behavior
* Perfect compatibility won't be reachable too soon, because those two command
seem to return some kind of (classdef) object in Matlab.




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