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.

---

logarithmic function British  

noun

1. 1. the mathematical function y = log x

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

---

Etymology

Origin of logarithmic function

First recorded in 1945–50

Example Sentences

Prandtl and von Kármán also discovered that the inertial layer’s mean velocity was a logarithmic function of the distance from the boundary.

From Scientific American

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 Project Gutenberg

Each invention leads to new inventions and each discovery to new discoveries; invention breeds invention, science begets science, the children of knowledge produce their kind in larger and larger families; the process goes on from decade to decade, from generation to generation, and the spectacle we behold is that of advancement in scientific knowledge and technological power according to the law and rate of a rapidly increasing geometric progression or logarithmic function.

From Project Gutenberg