logarithmic function

American  

noun

Mathematics.

1. a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.

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logarithmic function British  

noun

1. 1. the mathematical function y = log x

   2. a function that can be expressed in terms of this function

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Etymology

Origin of logarithmic function

First recorded in 1945–50

Example Sentences

Do the graphs of , , and have the shape we expect from a logarithmic function where ?

From Textbooks • Sep. 23, 2020

The logarithmic function with base e is called the natural logarithmic function.

From Textbooks • May 6, 2020

Therefore, it has an inverse function, called the logarithmic function with base b.

From Textbooks • Mar. 30, 2016

The logarithmic function ln x grows more slowly than any power function xp, p > 0.

From Textbooks • Mar. 30, 2016

The current through this ball coherer is, therefore, a logarithmic function of the potential difference between its ends, of the form and exhibits no discontinuity.

From Hertzian Wave Wireless Telegraphy by Fleming, John Ambrose