[Octave-bug-tracker] [bug #33776] Bar plot color definition Matlab incompatibility

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?33776>

                 Summary: Bar plot color definition Matlab incompatibility
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Do 14 Jul 2011 21:27:31 UTC
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: Burkart
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.4.2
        Operating System: GNU/Linux

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Details:

On http://www.mathworks.com/help/techdoc/ref/bar.html you can find the
following example:


a = -2.9:0.2:2.9;
bar(a,exp(-a.*a),'r')


When running this code in Octave I get the following error:


error: set: invalid number of arguments
error: called from:
error:   /usr/local/share/octave/3.4.2/m/plot/private/__bar__.m at line 273,
column 7
error:   /usr/local/share/octave/3.4.2/m/plot/private/__bar__.m at line 159,
column 11
error:   /usr/local/share/octave/3.4.2/m/plot/bar.m at line 94, column 19


It works if you either omit the 'r' altogether


a = -2.9:0.2:2.9;
bar(a,exp(-a.*a))


or if you explicitly define the color as 'FaceColor':


a = -2.9:0.2:2.9;
bar(a,exp(-a.*a),'FaceColor','r')





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