The story
Named after Christoph Gudermann (1798–1852), + -ian.
Etymology from Wiktionary, CC BY-SA 4.0.
gudermannian
Today it means: A particular function, gd(x)=2 tan ⁻¹eˣ-π/2. Full definition →
Today it means: A particular function, gd(x)=2 tan ⁻¹eˣ-π/2. Full definition →
Named after Christoph Gudermann (1798–1852), + -ian.
Etymology from Wiktionary, CC BY-SA 4.0.