Fourier Transform of v.grad(u)

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SUMMARY

The Fourier transform of the expression v.grad(u) is determined to be i*u(hat)(xi)*v.xi. In this context, 'u' represents a function in the spatial domain, while 'v' is a vector field. The discussion confirms that 'v' is treated as a constant during the transformation process, leading to the derived solution.

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Homework Statement


What is the Fourier transform of v.grad(u)

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The Attempt at a Solution


I get i*u(hat)(xi)*v.xi
 
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What is u and what is v? is v constant?
 
I got the answer.
Thanks.
 

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