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Because log(x) is the sum of the terms of the form log(1 + 2 −k) corresponding to those k for which the factor 1 + 2 −k was included in the product P, log(x) may be computed by simple addition, using a table of log(1 + 2 −k) for all k. Any base may be used for the logarithm table. Applications A nautilus shell displaying a logarithmic spiral
In science and engineering, a log–log graph or log–log plot is a two-dimensional graph of numerical data that uses logarithmic scales on both the horizontal and vertical axes. Power functions – relationships of the form – appear as straight lines in a log–log graph, with the exponent corresponding to the slope, and the coefficient ...
In probability theory, a log-normal (or lognormal) distribution is a continuous probability distribution of a random variable whose logarithm is normally distributed. Thus, if the random variable X is log-normally distributed, then Y = ln (X) has a normal distribution. [2] [3] Equivalently, if Y has a normal distribution, then the exponential ...
The form of the Tió de Nadal found in many Catalan homes during the holiday season is a hollow log about 30 cm (12 in) long. Recently, the Tió has come to stand up on two or four stick legs with a broad smiling face painted on its higher end, enhanced by a red sock hat (a miniature of the traditional barretina ) and often a three-dimensional ...
Logarithmic form. In algebraic geometry and the theory of complex manifolds, a logarithmic differential form is a differential form with poles of a certain kind. The concept was introduced by Pierre Deligne. [1] In short, logarithmic differentials have the mildest possible singularities needed in order to give information about an open ...
A plot of the Napierian logarithm for inputs between 0 and 10. The term Napierian logarithm or Naperian logarithm, named after John Napier, is often used to mean the natural logarithm. Napier did not introduce this natural logarithmic function, although it is named after him. [1] [2] However, if it is taken to mean the "logarithms" as ...
Ahmad Al-Abdullah Al-Ahmad Al-Sabah (Arabic: أحمد العبد الله الأحمد الصباح; born 5 September 1952) is a Kuwaiti economist, politician and a senior member of the ruling family, Al Sabah.