diagonal fraction
51Root rectangle — In geometry, a root rectangle is rectangle in which the ratio of the longer side to the shorter is the square root of an integer, such as √2, √3, etc.cite book author=Jay Hambidge authorlink=Jay Hambidge title=Dynamic Symmetry: The Greek Vase… …
52Philosophy of mathematics — The philosophy of mathematics is the branch of philosophy that studies the philosophical assumptions, foundations, and implications of mathematics. The aim of the philosophy of mathematics is to provide an account of the nature and methodology of …
53Hippocampus — For other uses, see Hippocampus (disambiguation). Brain: Hippocampus The hippocampus is located in the medial temporal lobe of the brain. In this lateral view of the human brain, the frontal lobe is at le …
54Receiver operating characteristic — In signal detection theory, a receiver operating characteristic (ROC), or simply ROC curve, is a graphical plot of the sensitivity vs. (1 specificity) for a binary classifier system as its discrimination threshold is varied. The ROC can also be… …
55Determination of equilibrium constants — Equilibrium constants are determined in order to quantify chemical equilibria. When an equilibrium constant is expressed as a concentration quotient, it is implied that the activity quotient is constant. In order for this assumption to be valid… …
56Probabilité stationnaire d'une chaîne de Markov — La probabilité stationnaire d une chaîne de Markov s interprète usuellement comme la fraction du temps passé en chaque état de l espace d états de cette chaîne de Markov, asymptotiquement. En effet, une version de la loi forte des grands nombres… …
57star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …
58GÉOMÉTRIE ALGÉBRIQUE — Sous sa forme actuelle, la géométrie algébrique est une branche de l’algèbre relativement récente (cf. ALGÈBRE, DEDEKIND). Pour «comprendre» les phénomènes d’intersection des courbes et des surfaces, il s’est révélé nécessaire d’élaborer des… …
59Group (mathematics) — This article covers basic notions. For advanced topics, see Group theory. The possible manipulations of this Rubik s Cube form a group. In mathematics, a group is an algebraic structure consisting of a set together with an operation that combines …
60Power dividers and directional couplers — A 10 dB 1.7–2.2 GHz directional coupler. From left to right: input, coupled, isolated (terminated with a load), and transmitted port …
