| 单词 | power law |
| 释义 | > as lemmaspower law power law n. Mathematics a relationship between two quantities such that the magnitude of one is proportional to a fixed power of the magnitude of the other. ΘΚΠ the world > relative properties > number > mathematical number or quantity > [noun] > relationship between quantities > other finite difference1807 inverse1837 reciprocator1874 power law1919 recursive relation1934 1919 London, Edinb., & Dublin Philos. Mag. 6th Ser. 38 637 We know of no theoretical reason for supposing that the power-law will give a better approximate representation than any other law, e.g. a sine-law. 1968 Brit. Med. Bull. 24 257/1 Davis & Zerlin..have suggested that..the amplitude of the averaged vertex response varies with the loudness of the stimulus according to a power law with an exponent of 0·4. 2005 Guardian 24 Mar. (Life section) 24/1 The long tail is named after the type of power law curve you get when you plot the sales of CDs, computer games and other products, or the popularity of websites, or the frequency of word use in a language. < as lemmas |
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