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🗖 nosplit | ⇓ toc | ↑ parent "Gradient, Divergence, Curl, and Laplacian" | Wikipedia | words: 74
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Takes a vector field as input and produces a scalar field.
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Mnemonic: it gives out the amount of fluid that is going in or out of a given volume per unit of time.
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Therefore, if you take a cubic volume:
  • the input has to be the 6 flows across each face, therefore 3 derivatives
  • the output is the variation of the quantity of fluid, and therefore a scalar
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Ancestors

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