Search Results for ""

A field of extremals is a plane region which is simply connected by a one-parameter family of extremals. The concept was invented by Weierstrass.

The ratio of two independent estimates of the variance of a normal distribution.

Faà di Bruno's formula gives an explicit equation for the nth derivative of the composition f(g(t)). If f(t) and g(t) are functions for which all necessary derivatives are ...

A grouping of statistics.

nu_((r))=sum_(x)x^((r))f(x), where x^((r))=x(x-1)...(x-r+1).

The point of coincidence of P and P^' in Fagnano's theorem.

A tree spread in which each node has a finite number of children.

The three diagonal points of a complete quadrilateral are never collinear.

A fiber space, depending on context, means either a fiber bundle or a fibration.

The order of a finite field is the number of elements it contains.