In mathematics, a projection is a mapping from a set to itself—or an endomorphism of a mathematical structure—that is idempotent, that is, equals its composition with itself. The image of a point or a subset S {\displaystyle S} under a projection is called the projection of S {\displaystyle S} .
In mathematics, a projection is a mapping from a set to itself—or an endomorphism of a mathematical structure—that is idempotent, that is, equals its composition with itself. The image of a point or a subset S {\displaystyle S} under a projection is called the projection of S {\displaystyle S} .
Source: Wikipedia "Projection (mathematics)" · CC BY-SA 4.0
Share this article: X · Bluesky