Similarity may refer to:
In mathematics and computing
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Similarity (geometry)
In Euclidean geometry, two objects are similar if they have the same shape, or one has the same shape as the mirror image of the other. More precisely, one can be obtained from the other by uniformly scaling (geometry), scaling (enlarging or red ...
, the property of sharing the same shape
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Matrix similarity, a relation between matrices
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Similarity measure, a function that quantifies the similarity of two objects
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Cosine similarity, which uses the angle between vectors
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String metric, also called string similarity
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Semantic similarity, in computational linguistics
In linguistics
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Lexical similarity
In linguistics, lexical similarity is a measure of the degree to which the word sets of two given languages are similar. A lexical similarity of 1 (or 100%) would mean a total overlap between vocabularies, whereas 0 means there are no common words. ...
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Semantic similarity
In other fields
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Similitude (model), in engineering, describing the geometric, kinematic and dynamic 'likeness' of two or more systems
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Similarity (psychology) Similarity refers to the psychological degree of identity of two mental representations. It is fundamental to human cognition since it provides the basis for categorization of entities into kinds and for various other cognitive processes. It underwr ...
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Similarity (philosophy)
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Musical similarity
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Chemical similarity
Chemical similarity (or molecular similarity) refers to the similarity of chemical elements, molecules or chemical compounds with respect to either structural or functional qualities, i.e. the effect that the chemical compound has on reaction partn ...
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Similarity (network science)
Similarity in network analysis occurs when two nodes (or other more elaborate structures) fall in the same equivalence class.
There are three fundamental approaches to constructing measures of network similarity: structural equivalence, automor ...
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Structural similarity
The structural similarity index measure (SSIM) is a method for predicting the perceived quality of digital television and cinematic pictures, as well as other kinds of digital images and videos. SSIM is used for measuring the similarity between tw ...
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''Similar'' (film), an upcoming South Korean film
See also
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Same (disambiguation)
Same may refer to:
*Sameness or identity
Places
* Same (Homer), an island mentioned by Homer in the ''Odyssey''
* Same (polis), an ancient city
* Same, East Timor, the capital of the Manufahi district
* Samé, Mali
* Same, Tanzania
* Same Distric ...
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Difference (disambiguation)
Difference, The Difference, Differences or Differently may refer to:
Music
* ''Difference'' (album), by Dreamtale, 2005
* ''Differently'' (album), by Cassie Davis, 2009
** "Differently" (song), by Cassie Davis, 2009
* ''The Difference'' (al ...
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Equality (mathematics)
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Identity (philosophy)
In philosophy, identity (from , "sameness") is the relation each thing bears only to itself. The notion of identity gives rise to List of unsolved problems in philosophy, many philosophical problems, including the identity of indiscernibles (if ' ...
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