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The Hamming distance between two vertices of a hypercube is the number of coordinates at which the two vertices differ.

The hazard function (also known as the failure rate, hazard rate, or force of mortality) h(x) is the ratio of the probability density function P(x) to the survival function ...

A hexagonal grid is a grid formed by a tessellation of regular hexagons. Boards made of hexagonal grids are often found in strategy and role-playing games because of the lack ...

A term for number theory.

The upper and lower hinges are descriptive statistics of a set of N data values, where N is of the form N=4n+5 with n=0, 1, 2, .... The hinges are obtained by ordering the ...

The central point in a wheel graph W_n. The hub has degree n-1.

The subset consisting of all elements of a given set is called an improper subset (Kamke 1950, p. 6).

Two variates A and B are statistically independent iff the conditional probability P(A|B) of A given B satisfies P(A|B)=P(A), (1) in which case the probability of A and B is ...

"The integers" is a common way of referring to the set of integers, commonly denoted Z.

Of all convex n-gons of a given perimeter, the one which maximizes area is the regular n-gon.