hyperbolic line element
1212 × 2 real matrices — The set of 2 × 2 real matrices is denoted by M(2, R). Two matrices p and q in M(2, R) have a sum p + q given by matrix addition. The product matrix p q is formed from the dot product of the rows and columns of its factors… …
122Existence (Philosophy of) 2 — Philosophy of existence 2 Sartre Thomas R.Flynn Born 21 June 1905, in Thiviers (Dordogne), Jean Paul Sartre was raised in the Parisian home of his widowed mother’s parents. After his mother’s remarriage, he spent several years with her and his… …
123Continued fraction — Finite continued fraction, where a0 is an integer, any other ai are positive integers, and n is a non negative integer. In mathematics, a continued fraction is an expression obtained through an iterative process of representing a number as the… …
124Heat equation — The heat equation is an important partial differential equation which describes the distribution of heat (or variation in temperature) in a given region over time. For a function of three spatial variables ( x , y , z ) and one time variable t ,… …
125Modelocking — Mode locking is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, on the order of picoseconds (10 12s) or femtoseconds (10 15s).The basis of the technique is to induce a fixed phase… …
126Elliptic coordinates — are a two dimensional orthogonal coordinate system in which the coordinate lines are confocal ellipses and hyperbolae. The two foci F {1} and F {2} are generally taken to be fixed at a and+a, respectively, on the x axis of the Cartesian… …
127Wikipedia:Glossary — Welcome to Wikipedia, which anyone can edit. Help index: Ask questions · Learn wikicode · View FAQ · Read Glossary · Live Wikipedia editing related help via web chat  …
128History of mathematics — A proof from Euclid s Elements, widely considered the most influential textbook of all time.[1] …
