Maximize Flux: Vector Field (4x+2x^3z)i-y(x^2 +y^2)j -(3x^2z^2 +4y^2z)k

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The discussion focuses on maximizing the flux of the vector field defined by (4x+2x^3z)i - y(x^2 + y^2)j - (3x^2z^2 + 4y^2z)k. The divergence theorem is identified as a crucial tool for solving this problem. Additionally, the problem is linked to the calculus of variations, indicating that it requires advanced mathematical techniques to determine the optimal closed surface for maximum flux. Participants express uncertainty about the course context for this topic.

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Ragnar
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Given a vector field (4x+2x^3z)i-y(x^2 +y^2)j -(3x^2z^2 +4y^2z)k which closed surface has the greatest flux. I imagine that the divergence theorem palys a role but I'm not sure. please anwer ! This is killing me!
 
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Since the problem is asking for a function (surface) that gives a maximum, this looks like a "calculus of variations" problem. What course is this in?
 

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