Hi all,

I have a plot that has say 6 black X's, each separate, and 6 blue X's, 
also separate, denoting where x's 1-6 have moved to (from black to blue).
Currently each point is plotted with a separate plot function.
I would like to generate a plot where each black x and blue x pair has 
an arrow pointing from one to the other.

Currently I plot them like this:

x1black = value
y1black = value
plot([x1black],[y1black],'kx',markersize=10,markeredgewidth=2)
x1blue = value
y1blue = value
plot([x1blue],[y1blue],'bx',markersize=10,markeredgewidth=2)

If I plotted,
plot([x1black,x1blue],[y1black,y1blue])
I could make the line between them into an arrow, but I wouldn't be able 
to make one blue and the other black.

Also, I'd like to be able to curve my arrows to make them less confusing 
in case they intersect too much.


Can anyone point me to the right functions?

Cheers
Michael



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