In linear algebra, a cone—sometimes called a linear cone to distinguish it from other sorts of cones—is a subset of a real vector space that is closed under positive scalar multiplication; that is, C {\displaystyle C} is a cone if x ∈ C {\displaystyle x\in C} implies s x ∈ C {\displaystyle sx\in C} for every positive scalar s {\displaystyle s} . This is a broad generalization of the standard cone in Euclidean space.
In linear algebra, a cone—sometimes called a linear cone to distinguish it from other sorts of cones—is a subset of a real vector space that is closed under positive scalar multiplication; that is, C {\displaystyle C} is a cone if x ∈ C {\displaystyle x\in C} implies s x ∈ C {\displaystyle sx\in C} for every positive scalar s {\displaystyle s} . This is a broad generalization of the standard cone in Euclidean space.
Source: Wikipedia "Convex cone" · CC BY-SA 4.0
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