13 дек. 2016 г. · However, on the Stoke's Theorem page, they use ∬ for a surface integral and ∮ for a line integral. |
2 февр. 2016 г. · If you know that C⊆Rk is a curve, and Σ⊆Rk is a surface, why not just write ∫CF and ∬ΣF (or even ∫ΣF (although the double integral sign ... |
30 апр. 2016 г. · The constant-r curve traces out the circle of points on the cone a distance r0 from the origin anticlockwise, so the ∂θ points anticlockwise and ... |
15 апр. 2020 г. · The surface integral could be interpreted as the flux of a fluid, i.e., the amount of fluid flowing through the surface per unit time. So does a ... |
11 мая 2017 г. · Some people do write it with a double integral sign (∬). But many people (including myself) find it more elegant to use the single integral sign ... |
8 мая 2019 г. · A1∪A2 is a closed surface. Or should it be A1∪(−A2)? The problem is that the sign of a surface integral is intrinsically ambiguous. surfaces ... |
2 янв. 2018 г. · If you use theta as the polar angle and phi as the azimuthal angle then the right hand rule will help you determine orientation of the resulting ... |
7 дек. 2017 г. · If you are integrating a divergenceless vector field over a region bounded by two surfaces, then by Stokes' theorem, the flux into one ... |
25 июн. 2020 г. · The following integrals give the signed area/volume between the integration domain and the curve y=f(x) or surface z=f(x,y): ∫SW ... |
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