one-letter matrix
71Hill cipher — Hill s cipher machine, from figure 4 of the patent In classical cryptography, the Hill cipher is a polygraphic substitution cipher based on linear algebra. Invented by Lester S. Hill in 1929, it was the first polygraphic cipher in which it was… …
72Damerau–Levenshtein distance — In information theory and computer science, the Damerau–Levenshtein distance (named after Frederick J. Damerau and Vladimir I. Levenshtein) is a distance (string metric) between two strings, i.e., finite sequence of symbols, given by counting the …
73Bernoulli number — In mathematics, the Bernoulli numbers Bn are a sequence of rational numbers with deep connections to number theory. They are closely related to the values of the Riemann zeta function at negative integers. There are several conventions for… …
74Derivative — This article is an overview of the term as used in calculus. For a less technical overview of the subject, see Differential calculus. For other uses, see Derivative (disambiguation) …
75Game theory — is a branch of applied mathematics that is used in the social sciences (most notably economics), biology, engineering, political science, computer science (mainly for artificial intelligence), and philosophy. Game theory attempts to… …
76Function (mathematics) — f(x) redirects here. For the band, see f(x) (band). Graph of example function, In mathematics, a function associates one quantity, the a …
77Aaliyah — This article is about the singer. For her self titled album, see Aaliyah (album). Aaliyah …
78Johannes Gutenberg — Infobox Person | name = Johannes Gensfleisch zur Laden zum Gutenberg other names = caption = birth date = circa 1398 birth place = Mainz, Electorate of Mainz death date = death date|1468|2|3|mf=y death place = Mainz, Electorate of Mainz death… …
79List of minor humans (Animorphs) — This page details the minor role humans from the Animorphs series. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A Allison Kim …
80Gutenberg Bible — of the New York Public Library, bought by James Lenox in 1847. The first to come to the USA, national folklore has it that the officers at the New York Customs House removed their hats on seeing it. The Gutenberg Bible (also known as the 42 line… …
