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natural logarithm

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natural logarithm
n. Symbol ln
A logarithm in which the base is the irrational number e (= 2.71828 . . . ). For example, ln 10 = loge10 = approximately 2.30258. Also called Napierian logarithm.
natural logarithm
n
(Mathematics) a logarithm to the base e (see e (sense 1)). Usually written loge or ln Also called Napierian logarithm Compare common logarithm
natural logarithm
A logarithm using base e. Natural logarithms are common in mathematics, especially in cases involving complex numbers. They are also called Napierian logarithms, after their inventor, English mathematician John Napier (1550-1617). See more at e. Compare common logarithm.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.natural logarithm - a logarithm to the base e
Napierian logarithm
logarithm, log - the exponent required to produce a given number
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To improve comparative analysis, the long-term trends are based on the natural logarithm of the index measures.
Productivity trends in business cycles: a visual essay by Chernousov, Michael; Fleck, Susan E.; Glaser, John / Monthly Labor Review
As has been shown in other viral pathogens, maternal antibody titers are assumed to follow a normal distribution after natural logarithm transformation and to experience a constant exponential decay over time after an infant's birth (1,12).
Enterovirus 71 maternal antibodies in infants, Taiwan by Luo, Shu-Ting; Chiang, Pai-Shan; Chao, An-Shine; Liou, Guan-Yuan; Lin, Reyin; Lin, Tzou-Yien; Lee, M / Emerging Infectious Diseases
An interesting irrational number from the exponential series, e is the base of all natural logarithms," the Indian expatriate from Abu Dhabi said.
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