Illustration how to calculate flux-integrals over surfaces.
Silly example -- the gravitational field of a point mass and a cylinder aligned with a coordinate axis.
Of course, the divergence theorem allows one to obtain the answer WITHOUT any calculation.
See also the accompanying MAPLE worksheet.

Scroll down to read the pages one at a time, or click on the picture to access the full-size image (e.g. for printing or downloading to disk).






Author: Matthias Kawski. All rights reserved.