How can I draw a arrow

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sina farahi
sina farahi on 9 Apr 2014
Commented: Robert Cumming on 10 Apr 2014
How can I plot/draw a vector(with first point and it's length and direction) I want it with it's head(be arrow not only a line) an arrow by its location and size and direction

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Answers (1)

Robert Cumming
Robert Cumming on 9 Apr 2014
See annotation for drawing arrows.
  2 Comments
sina farahi
sina farahi on 9 Apr 2014
annotation('arrow',x,y) doesn't works ;how does it works(what are x & y) thanks
Robert Cumming
Robert Cumming on 10 Apr 2014
x and y are the normalised co-ordinates of the start and end position:
f = figure;
ax = axes('parent', f);
annotation ( 'arrow', [0 1], [0.25 0.5] )

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