collinearity
Also known as alignment, colinearity
In geometry, collinearity of a set of points is the property of their lying on a single line. A set of points with this property is said to be collinear (sometimes spelled as colinear). In greater generality, the term has been used for aligned objects, that is, things being "in a line" or "in a row".
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- Line with points APB.png
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Article
21 sectionsContents
- Points on a line
- Examples in Euclidean geometry
- Triangles
- Quadrilaterals
- Hexagons
- Conic sections
- Cones
- Tetrahedrons
- Algebra
- Collinearity of points whose coordinates are given
- Collinearity of points whose pairwise distances are given
- Number theory
- Concurrency (plane dual)
- Collinearity graph
- Usage in statistics and econometrics
- Usage in other areas
- Antenna arrays
- Photography
- See also
- Notes
- References
In geometry, collinearity of a set of points is the property of their lying on a single line. A set of points with this property is said to be collinear (sometimes spelled as colinear). In greater generality, the term has been used for aligned objects, that is, things being "in a line" or "in a row".
==Points on a line== thumb|Collinear Euclidean vector|vectors in a [[cartesian coordinate system.]]