効こう用よう関かん数すう

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Meanings

1

noun

utility function

Technical term in economics and decision theory; a mathematical function that ranks alternatives by preference or satisfaction.

merit, efficacy, efficiency

用utilize, business, service

関connection, barrier, gateway

数number, strength, fate

効こう用よう
効用 means 'utility' or 'usefulness' in a broader sense, while 効用関数 specifically refers to the mathematical function.

Compound of 効用 (utility) and 関数 (function), a direct translation of the English term 'utility function'.