Gudermannian

See also: gudermannian

English

Alternative forms

• gudermannian
• gd (abbreviation)

Etymology

Named after Christoph Gudermann (1798–1852), +‎ -ian.

Noun

Gudermannian (plural Gudermannians)

1. (mathematics) A particular function, $\mathrm {gd} (x)=2\tan ^{-1}e^{x}-{\frac {\pi }{2}}$.

Further reading

• Gudermannian on Wikipedia.Wikipedia