Collinearity

Look up collinearity in Wiktionary, the free dictionary.

Collinearity (also co-linear or colinear) indicates that a set of points are on a single straight line. Depending on the technical field it may refer to:

In mathematics:

• Line (geometry), an idealized geometrical object with no width or height but infinite length.
• Multicollinearity, a statistical phenomenon in which two or more predictor variables in a multiple regression model are highly correlated.
• Colinear map, the dual notion of a linear map in comodule theory.
• Concurrent lines in projective geometry, the dual notion of collinear points.

In engineering:

• Collinear antenna array
• Collinearity equation

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