出典:Wiktionary
Discovered by Karl Weierstrass.
Weierstrass function (複数形 Weierstrass functions)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/18 01:29 UTC 版)
In mathematics, the Weierstrass function is a pathological example of a real-valued function on the real line. The function has the property that it is continuous everywhere but differentiable nowhere. It is named after its discoverer Karl Weierstrass.