Do you mean find the surface integral of F over S? The surfave integral of...of {F 內積n}dS , where n is the (outward) normal of S. It can be derived to be the double integral...
...x^2)+y-z gradient f(x, y, z) = (2x, 1, -1) gradient f(-1, 1, 2) = (-2, 1, -1) a normal to the surface at the point (-1, 1, 2) is (-2, 1, -1) thus an equation for the tangent plane...
1. The electric field has to be normal to the surface of the sphere 1 。電場必須是正常的表面領域 2. or else the free-to-move-charge...
... Normal liver size, heterogeneous parenchyma, uneven liver surface and normal vasculature as score 6. Normal gallbladder, biliary tree and spleen. No...
... surface in space in the directions counterclockwise with respect to the surface 's unit normal vector field n equals the integral of the normal component of the curl of the field...
...outside electric field meets the surface of the sphere, the electric field must be normal to the surface of the sphere. Otherwise, the electric field at the surface would have...
考慮向量函數(fg, 0, 0), 由divergence theorem ∫∫_∂R (fg, 0, 0)∙n dA = ∫∫∫_R div(fg, 0, 0) dV 得 ∫∫_∂R f*g*nx dA = ∫∫∫_R ∂(fg)/∂x dV 即 ∫∫_∂R f*g*nx dA= ∫∫∫_R f(∂g/∂x)+g(∂f/∂x) dV 移項,故得證
