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单词 Divergence Theorem
释义

Divergence Theorem

A.k.a. Gauss's Theorem. Let be a region in space with boundary . Then

(1)

Let be a region in the plane with boundary .
(2)

If the Vector Field satisfies certain constraints, simplified forms can be used. If where is a constant vector , then
(3)

But
(4)

so
(5)


(6)

But , and must vary with so that cannotalways equal zero. Therefore,
(7)

If , where is a constant vector , then
(8)

See also Curl Theorem, Gradient, Green's Theorem


References

Arfken, G. ``Gauss's Theorem.'' §1.11 in Mathematical Methods for Physicists, 3rd ed. Orlando, FL: Academic Press, pp. 57-61, 1985.

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