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Line 5: == Examples of subadditive functions == [[Image:Principle of sigma-subadditivity.svg\|thumb\|Everyday example of sigma sub-additivity: when sand is mixed with water, the [[bulk volume]] of the mixture is smaller than the sum of the individual volumes, as the water can lodge in the spaces between the sand grains. A similar situation with a different mechanism of action occurs when ethanol is mixed with water, see [[volume contraction]].]] Every non-negative [[submodular set function]] is subadditive (the family of non-negative submodular functions is strictly contained in the family of subadditive functions).

Subadditive set function: Difference between revisions