saddle point
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Saddle Point — (coord|53|1|S|73|29|E|) is a rock point separating Corinthian Bay and Mechanics Bay on the north coast of Heard Island. The name was applied by American sealers at Heard Island following their initiation of sealing there in 1855 … Wikipedia
Saddle point — In mathematics, a saddle point is a point in the domain of a function of two variables which is a stationary point but not a local extremum. At such a point, in general, the surface resembles a saddle that curves up in one direction, and curves… … Wikipedia
saddle point — noun 1. : a point on a curved surface at which the curvatures in two mutually perpendicular planes are of opposite signs compare anticlastic 2. : a value of a function of two variables which is a maximum with respect to one and a minimum with… … Useful english dictionary
saddle point — Math. a point at which a function of two variables has partial derivatives equal to zero but at which the function has neither a maximum nor a minimum value. [1920 25] * * * … Universalium
Point-col — Le point en rouge est un point col pour la fonction (ici la fonction z=x2−y2). En mathématiques, un point col (en anglais saddle point) pour une fonction f de plusieurs variables à valeurs dans … Wikipédia en Français
Point selle — Point col Le point en rouge est un point col pour la fonction (ici la fonction z=x2−y2). En mathématiques, un point col (en anglais saddle point) pour une fonction f de plusieurs variables à valeurs dans … Wikipédia en Français
Saddle-node bifurcation — In the mathematical area of bifurcation theory a saddle node bifurcation or tangential bifurcation is a local bifurcation in which two fixed points (or equilibria) of a dynamical system collide and annihilate each other. The term saddle node… … Wikipedia
Saddle (disambiguation) — A saddle may be: Animal Riding Saddle* A riding saddle, a seat for a rider fastened to an animal s back: ** English Saddle ** Western Saddle ** Sidesaddle ** McClellan Saddle, designed for cavalry units ** Saddle blanket, placed under a… … Wikipedia
Saddle surface — A saddle surface is a smooth surface containing one or more saddle points. The term derives of the peculiar shape of historical horse saddles, which curve both up and down.Classical examples of two dimensional saddle surfaces in the Euclidean… … Wikipedia
Saddle roof — A saddle roof is one which follows a convex curve about one axis and a concave curve about the other. The hyperbolic paraboloid form has been used for roofs at various times since it is easily constructed from straight sections of lumber, steel,… … Wikipedia
