Ok so this is really a few questions in one. I have 3 data sets from an air jet experiment, showing the velocity profiles at 3 different axial distances from a nozzle: http://oi47.tinypic.com/2uh3502.jpg
I want to replot these graphs as parallel vector fields and place them all on one graph, with an end result something like this: http://herkules.oulu.fi/isbn9514259777/html/graphic8484.png, where the y-axis would be radial distance from the nozzle centreline, the x-axis would be axial distance from the nozzle and the length of the vectors would be the velocity of the air at that point. How do I do this?
I've tried using the feather function to come up with a vector profile, but the best I could do was this: http://oi49.tinypic.com/351h6k8.jpg which is obviously not what I want.
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I didn't see the images. Use feather() or quiver()
Also, this is probably a worthy read: