how i can have 2 points joining with quiver

2012 12 22
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Hello.I want to make a velocity vector from a point (i,j) to a point(k,z) on an image.How i can use quiver for it? Thanks

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bym
bym 2012-12-22

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x = imread('peppers.png');
imshow(x)
hold
quiver(50,50,100,100)

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freebil
freebil 2012-12-23
thanks for the answer but the arrow dont start from (50,50) and don't finish to (100,100). I have to put different parameters and i dont know which are them.

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