| 词汇 | utility-function |
| 释义 | utility function noun[ C ] science, social science specializeduk /juːˈtɪl.ə.ti ˌfʌŋk.ʃən/ us /juːˈtɪl.ə.t̬i ˌfʌŋk.ʃən/ a mathematical function(= a quantity whose value depends on another value and changes with it) in which different choices are ranked(= put in order) according to how useful they are: 效用函数 The algorithm has to choose an action whose consequences match the goal. Or choose the action whose probabilistic consequences rank highest in the utility function.该算法必须选择一个其后果与目标相匹配的行动。或者选择其概率后果在效用函数中排名最高的行动。 There's no reason to assume that an AI system will have a utility function over states/snapshots. Simple utility functions seem particularly likely to lead to goal-directed behaviour. Does utilitarianism say that virtuous actions always correspond to maximizing expected utility under some utility function? We can't just give a program a static utility function, because circumstances, and our responses to circumstances, change over time. Useful or advantageous a pearl of great priceidiom a place in the sunidiom advantageous advantageously all-singing amiss asset fecundity fodder foil fruitfully fruitfulness practicality preferential productive wholesome wholesomely wholesomeness win-win worthwhile |
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