Tschirnhausen cubic
名词 n.
英文释义
名词 n.
- A plane curve defined, in its left-opening form, by the polar equation r=a sec ³(θ/3) where sec is the secant function.
词源
Named after Ehrenfried Walther von Tschirnhaus (1651–1708), German mathematician, physicist, physician, and philosopher. The name was first used in a 1900 paper by R. C. Archibald.
3 次浏览
数据来源: Wiktionary