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Scalar function satisfying div f=F

 
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Mar14-12, 04:05 PM   #1
 

Scalar function satisfying div f=F

What's the algorithm for finding scalar function satisfying div f=F if I know vector F?
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Mar15-12, 03:45 PM   #2
 
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There isn't one. div is not defined on scalars and the divergence of a vector would be a scalar. What did you really mean to ask?
Mar15-12, 06:39 PM   #3
 
Sorry, I meant grad f=F, and I want to get scalar function f from vector F (for instance electric potential from electric intensity).
Mar15-12, 07:38 PM   #4
 
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Scalar function satisfying div f=F

Quote by rammer View Post
Sorry, I meant grad f=F, and I want to get scalar function f from vector F (for instance electric potential from electric intensity).
Look at the following link for an example:

http://www.math.wisc.edu/~conrad/f07/potentials.pdf
Mar15-12, 08:03 PM   #5
 
thanks, that's exactly what i was looking for
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