# rotational

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• Apr 16th 2012, 01:47 PM
munkaka
rotational
Hello, i'm trying to understand what represents the rotational. On wikipedia I saw that for a vector field F it gives the rotation axis of F at the point (x,y,z), but I don't undersand how the formula
$rot F = \nabla \wedge F$
can give me this rotation axis, how can i interpret this formula?
thanks
• Apr 17th 2012, 07:17 PM
MrCryptoPrime
Re: rotational
I believe that means that the rotation of F equals the wedge product of the gradient and field, thus the rotation is defined as the perpendicular to the gradient on F? Hmmm, I am not sure that is too helpful, I am not too versed in this sort of thing? Try looking at: Applet: A rotating vector field - Math Insight, perhaps that will help you? Best of luck!