# Math Insight

### Image: Flux of a vector field out of a cylinder

The flux of a vector field $\dlvf(x,y,z)=(2x,2y,2z)$ out of the cylindrical surface given by $x^2+y^2=3^2$ and $0 \le z \le 5$.

Image file: cylinder_flux_out.png

Source image file: cylinder_flux_out.nb