Definition of utility function in English:

utility function

Syllabification: u·til·i·ty func·tion

noun

Economics
  • A mathematical function that ranks alternatives according to their utility to an individual.
    More example sentences
    • According to this model, individuals have a utility function defined over their own consumption.
    • For computational convenience it is assumed that all individuals have the same utility function.
    • For example, it would be useful for economists to know how custom would enter the utility function or how it would affect restrictions.

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