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. Usually written loge or ln. Also called: Napierian logarithm Compare e1, common logarithm

nat′ural log′arithm


n.
a logarithm having e as a base. Symbol: ln Also called Napierian logarithm. Compare common logarithm.

natural logarithm

A logarithm whose base is the irrational number e. Natural logarithms are frequently used in calculus. See more at e. Compare common logarithm.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.natural logarithm - a logarithm to the base e
logarithm, log - the exponent required to produce a given number
References in periodicals archive ?
12 the PFT values were transformed using natural logarithm due to the fact that these values were non-normally distributed.
Due to the positive skew in patent grants and citations, we use the natural logarithm of one plus the raw value for both patent variables in our regressions (LnPatent, and LnCite[Pat.
Our test variables are CEO's risk-increasing incentives proxied by the natural logarithm of CEO's vega (LOGCEOV) and CEO's risk-decreasing incentives proxied by the natural logarithm of CEO's delta (LOGCEOD):
The advantages pointed out by Keene (1995) must also be considered when using data transformed to natural logarithm compared with untransformed data.
i] calculated respectively in one code block expressed in original method and natural logarithm.
where lnWf is the natural logarithm of the final weight, lnWi is the natural logarithm of the initial weight, t is time (days) between lnWf and lnWi.
The economic growth of each EU member state is represented by the natural logarithm of the country's gross national income at current prices per capita.
In the adjusted model, each 1-unit natural logarithm increase in triglycerides corresponded with a 6% rise in the 22-year risk of all-cause mortality (P = .
In order to study economies of scale with respect to size as measured by total assets, the translog cost function is estimated for total expenses, total distribution expenses, and total general administrative and selling expenses with respect to a natural logarithm of total assets with total revenue as a control variable for 19 companies.
it] = Natural logarithm of total assets of company i at the end of year t (indicates company size); [DELTA][BTM.
LOPEN is natural logarithm of trade openness measured as share of trade in GDP,