Function dot product of del and f {divergence} describes vector-potential flow or flux. Divergences are scalars. Positive divergence means diverging. Negative divergence means converging. Divergence is limit, as volume goes to zero, of double integral over surface area of dot product of vector field and surface-area differential, all divided by volume. Divergence is limit, as volume goes to zero, of surface integral over closed surface of dot product of unit outward-normal vector and function, all divided by volume. Find region-boundary function value and then divide by region volume.
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3-Computer Science-System Analysis-Functions
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Date Modified: 2022.0224