- convex cone
- мат.выпуклый конус
English-Russian scientific dictionary. 2008.
convex cone
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Convex cone — In linear algebra, a convex cone is a subset of a vector space over an ordered field that is closed under linear combinations with positive coefficients. A convex cone (light blue). Inside of it, the light red convex cone consists of all points… … Wikipedia
Cone (linear algebra) — In linear algebra, a (linear) cone is a subset of a vector space that is closed under multiplication by positive scalars. In other words, a subset C of a real vector space V is a cone if and only if λx belongs to C for any x in C and any positive … Wikipedia
Cone — This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article … Wikipedia
Cone of curves — In mathematics, the cone of toot (sometimes the Kleiman Mori cone) of an algebraic variety X is a combinatorial invariant of much importance to the birational geometry of X. Contents 1 Definition 2 Applications 3 … Wikipedia
Cone (geometry) — Not to be confused with the conical surface.. A right circular cone and an oblique circular cone A cone is an n dimensional geometric shape that tapers smoothly from a base (usually flat and circular) to a point called the apex or vertex.… … Wikipedia
Convex optimization — Convex minimization, a subfield of optimization, studies the problem of minimizing convex functions over convex sets. Given a real vector space X together with a convex, real valued function defined on a convex subset of X, the problem is to find … Wikipedia
Cône (analyse convexe) — Pour les articles homonymes, voir Cône. En mathématiques, et plus précisément en analyse convexe, un cône est une partie d un espace vectoriel réel qui est stable pour la multiplication par un réel strictement positif. De manière plus précise, K… … Wikipédia en Français
Cône asymptotique — En mathématiques, et plus précisément en analyse convexe, le cône asymptotique d un convexe fermé non vide d un espace vectoriel est l aspect qu il prend lorsqu on le voit d infiniment loin (la définition précise est donnée ci dessous) ; il… … Wikipédia en Français
Convex polytope — A 3 dimensional convex polytope A convex polytope is a special case of a polytope, having the additional property that it is also a convex set of points in the n dimensional space Rn.[1] Some authors use the terms convex polytope and convex… … Wikipedia
Cône tangent — En mathématiques, le cône tangent est l approximation au premier ordre d un ensemble en un point, comme l application dérivée d une fonction est son approximation au premier ordre en un point. Cette notion est, par exemple, utilisée en… … Wikipédia en Français
cone karst — A variety of kegel karst topography, common in the tropics (e.g., Puerto Rico, Pacific Basin Islands) characterized by steep sided, cone shaped residual hills and ridges separated by star shaped depressions, broader valleys, or lagoons. These… … Glossary of landform and geologic terms
