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Silly question regarding plotting of contours
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Hi, i have a set of velocity data at x and y locations. How do i plot the contours of the velocity data? I have looked at a few forums and most of them give velocity as a function of x and y. I dont have a function. I have a column of velocity. I know at first i would need to create a mesh grid with x and y. but as soon as i used the function contour(X,Y,u) i got an error. Can anybody help? Many thanks?