Lemma
DeepGreen, Stokes & divergence
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §15.3 Green’s Theorem, #38 · Multivariable Calculus · Green, Stokes & divergence

The potential … is the work … to reach … from a…

The potential is the work to reach from a fixed point (Section 15.2). In the same way, the stream function can be constructed from the integral . Then represents the flux across the path from to .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §15.3 Green’s Theorem, #38

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