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# Illustration Point with Negative Divergence as Sink of a Vector Field

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If the divergence $$\nabla \cdot \boldsymbol{F}$$ of a vector field $$\boldsymbol{F}$$ at location $$(x,y,z)$$ is negative:$\nabla \cdot \boldsymbol{F}(x,y,z) < 0$then there is a sink of the vector field at the location $$(x,y,z)$$. If this location is enclosed with an arbitrary surface, then the vector field 'flows' into the surface.