[Octave-bug-tracker] [bug #32836] quiver3 draws nothing, although it should

[Rik]

Update of bug #32836 (project octave):

                  Status:                    None => Need Info              

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Follow-up Comment #1:

Isn't the vector field supposed to be single-valued?  I think the problem is
that you have specified two values for the vector to draw at the exact same
point (0,0,0).  If you actually have two points then quiver3 seems to work.


quiver3 ([0 0],[0 0],[0 1],[1 -1],[1 -1],[1 -1])

or to get what you were intending
quiver3 ([0 0],[0 0],[0 1],[1 -1],[1 -1],[1 -1])
quiver3 (0,0,0,1,1,1);
hold on
quiver3 (0,0,0,-1,-1,-1);



How does Matlab handle this?  Does it accept multiple values for the same
point?


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