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Orthogonality
Various meanings of the terms / From Wikipedia, the free encyclopedia
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In mathematics, orthogonality is the generalization of the geometric notion of perpendicularity. Whereas perpendicular is typically followed by to when relating two lines to one another (e.g., "line A is perpendicular to line B"),[1] orthogonal is commonly used without to (e.g., "orthogonal lines A and B").[2]
![]() | This article may require cleanup to meet Wikipedia's quality standards. The specific problem is: WP:DICTIONARY: this article is like a disambiguation page, as it lists different meanings of the title, which are weakly or not related, but it cannot be tagged as a disambiguation page, as the entries (sections) are too extensive, and some sections do not refer to any existing article. (May 2023) |
"Orthogonal" redirects here. Not to be confused with Orthogonal (book series).
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/84/Perpendicular-coloured.svg/640px-Perpendicular-coloured.svg.png)
Orthogonality is also used with various meanings that are often weakly related or not related at all with the mathematical meanings.