[Octave-bug-tracker] [bug #55570] quiver3 gives error for 4-input form of function

[Rik]

Update of bug #55570 (project octave):

                  Status:               Confirmed => In Progress            

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Follow-up Comment #7:

I changed the documentation and the input validation for the 4-input form of
the function to work
(https://hg.savannah.gnu.org/hgweb/octave/rev/677764865056).  The input
validation needs to be improved because it is simple to confuse the
__quiver__.m function right now.  The following code uses a 3-input form which
is invalid, but the message is obtuse.


z = peaks (25);
[u, v, w] = surfnorm (z / 10);
h = quiver3 (u, v, w);
error: varargin(6): out of bound 5
error: called from
    __quiver__ at line 52 column 9
    quiver3 at line 86 column 10




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