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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

natural logarithm

n
(Mathematics) a logarithm to the base e. Usually written loge or ln. Also called: Napierian logarithm Compare e1, common logarithm
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

nat′ural log′arithm


n.
a logarithm having e as a base. Symbol: ln Also called Napierian logarithm. Compare common logarithm.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.natural logarithm - a logarithm to the base e
logarithm, log - the exponent required to produce a given number
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
For our regression analysis, we take the natural logarithms of one plus one of the patent and citation measures as our dependent variables to mitigate the effects of skewness.
In [7] we have shown that the set of natural frequencies of a fractal chain system of similar harmonic oscillators can be described as set of finite continued fractions F (1), which are natural logarithms, where [[omega].sub.jk] is the set of angular frequencies and [[omega].sub.00] is the fundamental frequency of the set.
The series was transformed into natural logarithms and found to be first-order integrated, I(1).
Notably, the transformation of the original values of the variables in natural logarithms increased the correlation coefficients with TBCOEF10, which was favorable for the development of the model.
Subsequently, all the series have been transformed in billion lei and in natural logarithms. Time series taken from EIU have been also seasonally adjusted.
The authors have also include tables of common (Briggsian) logarithms, natural logarithms, exponential functions, and trigonometric functions.
Because the response variable in each case was the ratio of the natural logarithm of raw counts in successive years, we used as independent variables the ratios of the natural logarithms of the putative explanatory variables in those same 2 years.
To estimate the parameters ([beta], v, [gamma]) in (2), the data for continuous variables: yield, seed, fertiliser, herbicides/fungicides, traction, manure and hired labour except gross profit margin were transformed into natural logarithms to normalise data as well ease the interpretation of the estimated coefficients as elasticities [12].
By plotting the natural logarithms of the slopes of the trend lines from Fig.
Company size, determined to be the total assets and profitability were included in the model with their natural logarithms. On Table 1minimum, maximum and average values of the companies in the sampling according to their logarithmic values are given.